Weakness (CWE)
CWE-347: Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
Source: MITRE CWE-347
270 results · Clear filters · Feed
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Medium —CVE-2020-28042 Public exploit
Signature validation bypass in ServiceStack
ServiceStack before 5.9.2 mishandles JWT signature verification unless an application has a custom ValidateToken function that establishes a valid minimum length for a signature.
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Medium 5.3
Signature Validation Bypass in goxmldsig
In goxmldsig (XML Digital Signatures implemented in pure Go) before version 1.1.0, with a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. A patch is available, all users of goxml…
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Medium 6.2
Multiple Cisco UCS-Based Products UEFI Secure Boot Bypass Vulnerability
A vulnerability in the firmware of the Cisco UCS C-Series Rack Servers could allow an authenticated, physical attacker to bypass Unified Extensible Firmware Interface (UEFI) Secure Boot validation checks and load a compromised software image on an affected de…
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Medium 6.4
GRUB2: avoid loading unsigned kernels when GRUB is booted directly under secureboot without shim
GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is boot…
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Medium 6.5
Denial of Service in TenderMint
TenderMint from version 0.33.0 and before version 0.33.6 allows block proposers to include signatures for the wrong block. This may happen naturally if you start a network, have it run for some time and restart it (**without changing chainID**). A malicious b…
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Medium 6.8
exacqVision Software - Improper Verification of Cryptographic Signature
A vulnerability exists that could allow the execution of unauthorized code or operating system commands on systems running exacqVision Web Service versions 20.06.3.0 and prior and exacqVision Enterprise Manager versions 20.06.4.0 and prior. An attacker with a…
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Medium 6.8
Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability
A vulnerability in software image verification in Cisco IOS XE Software could allow an unauthenticated, physical attacker to install and boot a malicious software image or execute unsigned binaries on an affected device. The vulnerability is due to an imprope…
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Medium 5.4
OpenStack Keystone does not check signature TTL of the EC2 credential auth method
An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn't have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of …
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Medium 4.9
Cisco Firepower Threat Defense Software Signature Verification Bypass Vulnerability
A vulnerability in the Image Signature Verification feature of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker with administrator-level credentials to install a malicious software patch on an affected device. The vu…
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Medium 5.0
A vulnerability was reported in LenovoAppScenarioPluginSystem for Lenovo System Interface Foundation prior to version 1…
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Medium 4.7
python-apt downloads from untrusted sources
Python-apt doesn't check if hashes are signed in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py or in `_fetch_archives()` of apt/cache.py in version 1.9.3ubuntu2 and earlier. This allows downloads from unsigned repositories which shou…
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Medium 6.8
Missing SSH host key validation in Mac Plugin
Jenkins Mac Plugin 1.1.0 and earlier does not validate SSH host keys when connecting agents created by the plugin, enabling man-in-the-middle attacks.
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Medium 6.7
Cisco NX-OS and IOS XE Software Virtual Service Image Signature Bypass Vulnerability
A vulnerability in Cisco NX-OS Software and Cisco IOS XE Software could allow an authenticated, local attacker with valid administrator or privilege level 15 credentials to load a virtual service image and bypass signature verification on an affected device. …
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Medium 6.7
Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability
A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install and boot a malicious software image or execute unsigned binaries on an affected device. The vulnerability exists because, under …
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Medium 4.8
HTTPS MitM vulnerability due to lack of hostname verification
An issue was discovered in the hyper crate before 0.9.4 for Rust on Windows. There is an HTTPS man-in-the-middle vulnerability because hostname verification was omitted.
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Medium 4.3
It was found that Spacewalk, all versions through 2.9, did not safely compute client token checksums. An attacker with …
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Medium 5.9
Golang/x/crypto message forgery vulnerability
A message-forgery issue was discovered in crypto/openpgp/clearsign/clearsign.go in supplementary Go cryptography libraries 2019-03-25. According to the OpenPGP Message Format specification in RFC 4880 chapter 7, a cleartext signed message can contain one or m…
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Medium 6.7
Cisco NX-OS CLI Command Software Image Signature Verification Vulnerabilities
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because…
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Medium 6.7
Cisco NX-OS CLI Command Software Image Signature Verification Vulnerabilities
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because…
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Medium 6.7
Cisco NX-OS CLI Command Software Image Signature Verification Vulnerability
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because…
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Medium 6.7
Cisco MDS 9700 Series Multilayer Directors and Nexus 7000/7700 Series Switches Software Patch Signature Verification Vulnerability
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to impr…
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Medium 6.4
Cisco NX-OS Software Patch Signature Verification Bypass Vulnerability
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to impr…
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Medium 6.7
Cisco Nexus 3000 Series and 9000 Series Switches in NX-OS Mode CLI Command Software Image Signature Verification Vulnerability
A vulnerability in the Image Signature Verification feature used in an NX-OS CLI command in Cisco Nexus 3000 Series and 9000 Series Switches could allow an authenticated, local attacker with administrator-level credentials to install a malicious software imag…
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Medium 6.7
Cisco FXOS and NX-OS Software Secure Configuration Bypass Vulnerability
A vulnerability in the Secure Configuration Validation functionality of Cisco FXOS Software and Cisco NX-OS Software could allow an authenticated, local attacker to run arbitrary commands at system boot time with the privileges of root. The vulnerability is d…
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Medium 6.7
Cisco NX-OS Software Image Signature Verification Vulnerability
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability is due to impr…
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Medium 5.3
Json-jwt did not verify the cryptographic signature for data
Nov json-jwt version >= 0.5.0 && < 1.9.4 contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability in Decryption of AES-GCM encrypted JSON Web Tokens that can result in Attacker can forge a authentication tag. This attack appear to be…
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Medium 5.3
Akeo Consulting Rufus prior to version 2.17.1187 does not adequately validate the integrity of updates downloaded over …
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Medium 5.3CVE-2016-1494 Public exploit
Python RSA allows attackers to spoof signatures
The verify function in the RSA package for Python (Python-RSA) before 3.3 allows attackers to spoof signatures with a small public exponent via crafted signature padding, aka a BERserk attack.
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Medium —
Improper Verification of Cryptographic Signature in org.apache.httpcomponents:httpclient
org.apache.http.conn.ssl.AbstractVerifier in Apache HttpComponents HttpClient before 4.3.5 and HttpAsyncClient before 4.0.2 does not properly verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of th…
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Medium 5.5
WinVerifyTrust Signature Validation Vulnerability
Why is Microsoft republishing a CVE from 2013? We are republishing CVE-2013-3900 in the Security Update Guide to update the Security Updates table and to inform customers that the EnableCertPaddingCheck is available in all currently supported versions of Wind…
KEV Jan 10, 2022