Week 45, 2021
8–14 November 2021
Newly exploited 0
Added to CISA KEV or flagged as exploited by ENISA this week — patch these first.
No newly exploited vulnerabilities were reported this week.
Critical new vulnerabilities
Published this week with a CVSS score of 9.0 or higher, most likely to be exploited first.
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Critical 9.8
CVE-2021-3064 PAN-OS: Memory Corruption Vulnerability in GlobalProtect Portal and Gateway InterfacesEPSS 20%
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Critical 9.8
CVE-2021-34684 Hitachi Vantara Pentaho Business Analytics through 9.1 allows an unauthenticated user to execute arbitrary SQL queries on any Pentaho data source and thus retr…EPSS 5.9%
- Critical 9.8 EPSS 4.8%
- Critical 9.8 EPSS 4%
- Critical 9.8 EPSS 3.9%
- Critical 9.8 EPSS 3.8%
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Critical 9.6
CVE-2021-43523 In uClibc and uClibc-ng before 1.0.39, incorrect handling of special characters in domain names returned by DNS servers via gethostbyname, getaddrinfo, gethost…EPSS 3.1%
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Critical 9.0
CVE-2021-43616 The npm ci command in npm 7.x and 8.x through 8.1.3 proceeds with an installation even if dependency information in package-lock.json differs from package.json…EPSS 2.6%
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Critical 9.0
CVE-2021-26443 Microsoft Virtual Machine Bus (VMBus) Remote Code Execution VulnerabilityEPSS 1.7%
Microsoft · Windows Server 2019 · Windows Server 2019 (Server Core installation) · Windows 10 Version 1809
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Critical 9.8
CVE-2021-41170 Evaluation of closures can lead to execution of methods & functions in current program scopeEPSS 1.6%
- Critical 9.8 EPSS 1.5%
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Critical 9.9
CVE-2021-40358 A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3 UC04), SIMATIC PCS 7 V9.1 (All versions <…EPSS 1.3%
Siemens · SIMATIC WinCC V7.5 · SIMATIC WinCC V7.4 · SIMATIC PCS 7 V9.0
- Critical 9.8 EPSS 1.2%
- Critical 9.8 EPSS 1.1%
- Critical 9.8 EPSS 1.1%
Not critical, but likely targeted
New this week with the highest EPSS — a lower CVSS score does not mean nobody will use them.
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Medium 6.5
CVE-2021-41349 Microsoft Exchange Server Spoofing VulnerabilityEPSS 93%
Microsoft · Microsoft Exchange Server 2013 Cumulative Update 23 · Microsoft Exchange Server 2019 Cumulative Update 11 · Microsoft Exchange Server 2016 Cumulative Update 22
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High 8.8
CVE-2021-42321 Microsoft Exchange Server Remote Code Execution VulnerabilityEPSS 92%
Microsoft · Microsoft Exchange Server 2019 Cumulative Update 11 · Microsoft Exchange Server 2016 Cumulative Update 22 · Microsoft Exchange Server 2019 Cumulative Update 10
- Medium 5.4 EPSS 88%
- Medium 6.1 EPSS 79%
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High 7.5
CVE-2021-42287 Active Directory Domain Services Elevation of Privilege VulnerabilityEPSS 77%
Microsoft · Windows Server 2019 · Windows Server 2019 (Server Core installation) · Windows Server 2022
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Unscored
CVE-2021-41653 The PING function on the TP-Link TL-WR840N EU v5 router with firmware through TL-WR840N(EU)_V5_171211 is vulnerable to remote code execution via a crafted payl…EPSS 76%
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High 7.5
CVE-2021-42278 Active Directory Domain Services Elevation of Privilege VulnerabilityEPSS 73%
Microsoft · Windows Server 2019 · Windows Server 2019 (Server Core installation) · Windows Server 2022
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Unscored
CVE-2021-42847 Zoho ManageEngine ADAudit Plus before 7006 allows attackers to write to, and execute, arbitrary files.EPSS 70%
Advisories
- AlmaLinux Security Advisories 3251 critical
- Rocky Linux Security Advisories 80
- Microsoft Security Response Center 545 critical
- SUSE / openSUSE Security Updates 24
- CISA ICS & IT advisories 194 critical
- BSI CERT-Bund (WID) 18
- Ubuntu Security Notices (USN) 15
- Debian Security (DSA / DLA) 141 critical
- Siemens ProductCERT 134 critical
- Schneider Electric CPCERT 61 critical
- Oracle Linux Security Advisories (ELSA) 5
- CERT@VDE 1
- SSA-044112 SSA-044112: Multiple Vulnerabilities (NUCLEUS:13) in the TCP/IP Stack of Nucleus RTOS 13 CVEs
- SSA-114589 SSA-114589: Multiple Vulnerabilities in Nucleus RTOS based APOGEE, TALON and Desigo PXC/PXM Products 13 CVEs
- ICSA-21-315-07 Siemens Nucleus RTOS-based APOGEE and TALON Products (Update C) 13 CVEs
- ICSA-21-313-03 Siemens Nucleus RTOS TCP/IP Stack 13 CVEs
- DLA-2815-1 salt - security update 11 CVEs
- ICSA-21-315-06 Siemens SCALANCE W1750D 6 CVEs
- SSA-917476 SSA-917476: Multiple Vulnerabilities in SCALANCE W1750D 6 CVEs
- SEVD-2021-313-05 BadAlloc Vulnerabilities 3 CVEs
- ICSA-21-315-03 Siemens SIMATIC WinCC (Update E) 3 CVEs
- SSA-840188 SSA-840188: Multiple Vulnerabilities in SIMATIC WinCC Affecting Other SIMATIC Software Products 3 CVEs