Summary
Ein Angreifer kann mehrere Schwachstellen in Juniper JUNOS ausnutzen, um einen Denial-of-Service-Zustand herbeizuführen, vertrauliche Informationen preiszugeben und möglicherweise beliebigen Code auszuführen.
Product
JUNOS ist das "Juniper Network Operating System", das in Juniper Appliances verwendet wird.
Vulnerabilities 21
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High 7.5
Junos OS: MX Series: In DS-lite and NAT scenario receipt of crafted IPv6 traffic causes port block
An Improper Check for Unusual or Exceptional Conditions vulnerability in the pfe (packet forwarding engine) of Juniper Networks Junos OS on MX Series causes a port within a pool to be blocked leading to Denial of Service (DoS). In a DS-Lite (Dual-Stack Lite) …
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High 7.5
Junos OS: SRX and EX Series, MX240, MX480, MX960, QFX5120 Series: When web management is enabled for specific services an attacker may cause a CPU spike by sending genuine packets to the device
An Improper Following of Specification by Caller vulnerability in web management (J-Web, Captive Portal, 802.1X, Juniper Secure Connect (JSC) of Juniper Networks Junos OS on SRX Series, EX Series, MX240, MX480, MX960, QFX5120 Series, allows an unauthenticated…
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High 7.5
Junos OS: EX2300, EX3400, EX4000 Series, QFX5k Series: Receipt of a specific DHCP packet causes FPC crash when DHCP Option 82 is enabled
A Heap-based Buffer Overflow vulnerability in the flexible PIC concentrator (FPC) of Juniper Networks Junos OS on EX2300, EX3400, EX4100, EX4300, EX4300MP, EX4400, EX4600, EX4650-48Y, and QFX5k Series allows an attacker to send a specific DHCP packet to the d…
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High 7.5
Junos OS: SRX Series: Transmission of specific control traffic sent out of a DS-Lite tunnel results in flowd crash
A NULL Pointer Dereference vulnerability in the flow daemon (flowd) of Juniper Networks Junos OS on SRX Series allows an attacker causing specific, valid control traffic to be sent out of a Dual-Stack (DS) Lite tunnel to crash the flowd process, resulting in …
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High 7.5
Junos OS: MX240, MX480, MX960 with SPC3: An attacker sending specific packets will cause a CPU utilization DoS.
An Improper Input Validation vulnerability in the syslog stream TCP transport of Juniper Networks Junos OS on MX240, MX480 and MX960 devices with MX-SPC3 Security Services Card allows an unauthenticated, network-based attacker, to send specific spoofed packet…
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High 7.5
Junos OS and Junos OS Evolved: Receipt of a specific ICMPv6 packet causes a memory overrun leading to an rpd crash
A Buffer Access with Incorrect Length Value vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). When an attacker sends a spe…
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High 7.5
Junos OS: MX Series, SRX Series: Processing of specific SIP INVITE messages by the SIP ALG will lead to an FPC crash
An Improper Handling of Additional Special Element vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series with MS-MPC, MS-MIC and SPC3, and SRX Series, allows an unauthenticated, network-based attacker to cause a Denial-…
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High 7.5
Junos OS: SRX Series: On devices with Anti-Virus enabled, malicious server responses will cause memory to leak ultimately causing forwarding to stop
A Missing Release of Memory after Effective Lifetime vulnerability in the Anti-Virus processing of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). On all SRX platforms with Anti-Vir…
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High 7.5
Junos OS: SRX Series: A device configured for vector routing crashes when receiving malformed traffic
An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). When a device configure…
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High 7.5
Junos OS: MX Series: Decapsulation of specific GRE packets leads to PFE reset
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).When processing a high r…
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High 7.4
Junos OS: An unauthenticated adjacent attacker sending a malformed DHCP packet causes jdhcpd to crash
A Buffer Access with Incorrect Length Value vulnerability in the jdhcpd daemon of Juniper Networks Junos OS, when DHCP snooping is enabled, allows an unauthenticated, adjacent, attacker to send a DHCP packet with a malformed DHCP option to cause jdhcp to cras…
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High 7.4
Junos OS and Junos OS Evolved: Receipt of a specifically malformed DHCP packet causes jdhcpd process to crash
An Improper Input Validation vulnerability in the Juniper DHCP Daemon (jdhcpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause the jdhcpd process to crash resulting in a Denial of Service (DoS). When a s…
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Medium 6.5
Junos OS and Junos OS Evolved: In an EVPN-VXLAN scenario specific ARP or NDP packets cause FPC to crash
A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause an FPC to crash, leading to Denial of Service (DoS…
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Medium 6.5
Junos OS and Junos OS Evolved: Receipt of a malformed LLDP TLV results in l2cpd crash
A Signed to Unsigned Conversion Error vulnerability in the Layer 2 Control Protocol daemon (l2cpd) of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated adjacent attacker sending a specifically malformed LLDP TLV to caus…
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Medium 6.5
Junos OS: MX Series: Subscriber login/logout activity will lead to a memory leak
A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on MX Series allows an unauthenticated adjacent attacker to cause a Denial-of-Service (DoS). In a subscriber management scena…
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Medium 6.5
Junos OS and Junos OS Evolved: LSP flap in a specific MPLS scenario leads to rpd crash
An Expired Pointer Dereference vulnerability in Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause Denial of Service (DoS).On all Junos OS and Junos OS Evolved platforms, when …
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Medium 5.5
Junos OS and Junos OS Evolved: Executing a specific CLI command when asregex-optimized is configured causes an rpd crash
An Improper Handling of Exceptional Conditions vulnerability in routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker executing a CLI command to cause a Denial of Service (DoS). When asregex-op…
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Medium 5.5
Junos OS and Junos OS Evolved: A local, low privileged user can access sensitive information
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability in the User Interface (UI) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged, authenticated attacker with access to the CLI to access sensitive informat…
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Medium 5.5
Junos OS and Junos OS Evolved: A specific CLI command will cause an RPD crash when rib-sharding and update-threading is enabled
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker to cause a Denial-of-Service (DoS). When a specific "show bgp …
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Medium 5.3
Junos OS and Junos OS Evolved: When BGP rib-sharding and update-threading are configured and a peer flaps, an rpd core is observed
An Improper Check for Unusual or Exceptional Conditions vulnerability in routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, logically adjacent BGP peer to cause Denial of Service (DoS). On all Junos OS a…
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Medium 5.3
Junos OS: Processing of a specific BGP update causes the SRRD process to crash
An Improper Encoding or Escaping of Output vulnerability in the Sampling Route Record Daemon (SRRD) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). When a device configured for flow-monitoring…
Revision history
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#1
Initiale Fassung
References
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-An-unauthenticated-adjacent-attacker-sending-a-malformed-DHCP-packet-causes-jdhcpd-to-crash-CVE-2025-21591
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-MX-Series-In-DS-lite-and-NAT-senario-receipt-of-crafted-IPv4-traffic-causes-port-block-CVE-2025-21594
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-In-an-EVPN-VXLAN-scenario-specific-ARP-or-NDP-packets-cause-FPC-to-crash-CVE-2025-21595
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-SRX-and-EX-Series-MX240-MX480-MX960-QFX5120-Series-When-web-management-is-enabled-for-specific-services-an-attacker-may-cause-a-CPU-spike-by-sending-genuine-packets-to-the-device-CVE-2025-21601
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-EX2300-EX3400-EX4000-Series-QFX5k-Series-Receipt-of-a-specific-DHCP-packet-causes-FPC-crash-when-DHCP-Option-82-is-enabled-CVE-2025-30644
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-SRX-Series-Transmission-of-specific-control-traffic-sent-out-of-a-DS-Lite-tunnel-results-in-flowd-crash-CVE-2025-30645
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Receipt-of-a-malformed-LLDP-TLV-results-in-l2cpd-crash-CVE-2025-30646
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-MX-Series-Subscriber-login-logout-activity-will-lead-to-a-memory-leak-CVE-2025-30647
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Receipt-of-a-specifically-malformed-DHCP-packet-causes-jdhcpd-process-to-crash-CVE-2025-30648
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Receipt-of-a-specific-ICMPv6-packet-causes-a-memory-overrun-leading-to-an-rpd-crash-CVE-2025-30651
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Executing-a-specific-CLI-command-when-asregex-optimized-is-configured-causes-an-RPD-crash-CVE-2025-30652
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-LSP-flap-in-a-specific-MPLS-LSP-scenario-leads-to-RPD-crash-CVE-2025-30653
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-A-local-low-privileged-user-can-access-sensitive-information-CVE-2025-30654
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-A-specific-CLI-command-will-cause-a-RPD-crash-when-rib-sharding-and-update-threading-is-enabled-CVE-2025-30655
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-MX-Series-SRX-Series-Processing-of-specific-SIP-INVITE-messages-by-the-SIP-ALG-will-lead-to-an-FPC-crash-CVE-2025-30656
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-Processing-of-a-specific-BGP-update-causes-the-SRRD-process-to-crash-CVE-2025-30657
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-SRX-Series-On-devices-with-Anti-Virus-enabled-malicious-server-responses-will-cause-memory-to-leak-ultimately-causing-forwarding-to-stop-CVE-2025-30658
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-SRX-Series-A-device-configured-for-vector-routing-crashes-when-receiving-specific-traffic-CVE-2025-30659
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-MX-Series-Decapsulation-of-specific-GRE-packets-leads-to-PFE-reset-CVE-2025-30660
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Juniper Security Bulletin vom 2025-04-09
https://supportportal.juniper.net/s/article/2025-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-When-BGP-rib-sharding-and-update-threading-are-configured-and-a-peer-flaps-an-rpd-core-is-observed?language=en_US