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Common Weakness Enumeration

CWE-347

Allowed

Improper Verification of Cryptographic Signature

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

1332 vulnerabilities reference this CWE, most recent first.

CVE-2021-32977 (GCVE-0-2021-32977)

Vulnerability from cvelistv5 – Published: 2022-04-04 19:45 – Updated: 2025-04-16 17:57
VLAI
Title
AVEVA System Platform Improper Verification of Cryptographic Signature
Summary
AVEVA System Platform versions 2017 through 2020 R2 P01 does not verify, or incorrectly verifies, the cryptographic signature for data.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 17:30 UTC
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
Vendor Product Version
AVEVA AVEVA System Platform Affected: 2017 , ≤ 2020 R2 P01 (custom)
Create a notification for this product.
Credits
Sharon Brizinov of Claroty reported these vulnerabilities to AVEVA.
Show details on NVD website
To clipboard 

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CVE-2021-32685 (GCVE-0-2021-32685)

Vulnerability from cvelistv5 – Published: 2021-06-16 00:25 – Updated: 2024-08-03 23:25
VLAI
Title
Improper Verification of Cryptographic Signature in tenvoy
Summary
tEnvoy contains the PGP, NaCl, and PBKDF2 in node.js and the browser (hashing, random, encryption, decryption, signatures, conversions), used by TogaTech.org. In versions prior to 7.0.3, the `verifyWithMessage` method of `tEnvoyNaClSigningKey` always returns `true` for any signature that has a SHA-512 hash matching the SHA-512 hash of the message even if the signature was invalid. This issue is patched in version 7.0.3. As a workaround: In `tenvoy.js` under the `verifyWithMessage` method definition within the `tEnvoyNaClSigningKey` class, ensure that the return statement call to `this.verify` ends in `.verified`.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
Vendor Product Version
TogaTech tEnvoy Affected: < 7.0.3
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-31847 (GCVE-0-2021-31847)

Vulnerability from cvelistv5 – Published: 2021-09-22 13:25 – Updated: 2024-08-03 23:10
VLAI
Title
Improper privilege management in repair process of MA for Windows
Summary
Improper access control vulnerability in the repair process for McAfee Agent for Windows prior to 5.7.4 could allow a local attacker to perform a DLL preloading attack using unsigned DLLs. This would result in elevation of privileges and the ability to execute arbitrary code as the system user, through not correctly protecting a temporary directory used in the repair process and not checking the DLL signature.
Severity
8.2 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CWE
  • CWE-269 - Improper Privilege Management
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
Vendor Product Version
McAfee,LLC McAfee Agent for Windows Affected: unspecified , < 5.7.4 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-31841 (GCVE-0-2021-31841)

Vulnerability from cvelistv5 – Published: 2021-09-22 13:25 – Updated: 2024-08-03 23:10
VLAI
Title
DLL side loading vulnerability in MA for Windows
Summary
A DLL sideloading vulnerability in McAfee Agent for Windows prior to 5.7.4 could allow a local user to perform a DLL sideloading attack with an unsigned DLL with a specific name and in a specific location. This would result in the user gaining elevated permissions and the ability to execute arbitrary code as the system user, through not checking the DLL signature.
Severity
8.2 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CWE
  • CWE-426 - Untrusted Search Path
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
Vendor Product Version
McAfee,LLC McAfee Agent for Windows Affected: unspecified , < 5.7.4 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-29500 (GCVE-0-2021-29500)

Vulnerability from cvelistv5 – Published: 2021-06-04 20:05 – Updated: 2024-08-03 22:11
VLAI
Title
Missing validation of JWT signature
Summary
bubble fireworks is an open source java package relating to Spring Framework. In bubble fireworks before version 2021.BUILD-SNAPSHOT there is a vulnerability in which the package did not properly verify the signature of JSON Web Tokens. This allows to forgery of valid JWTs.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
Vendor Product Version
fxbin bubble-fireworks Affected: < 2021.BUILD-SNAPSHOT
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-29455 (GCVE-0-2021-29455)

Vulnerability from cvelistv5 – Published: 2021-04-19 19:05 – Updated: 2024-08-03 22:02
VLAI
Title
Missing validation of JWT signature in `grassrootza/grassroot-platform`
Summary
Grassroot Platform is an application to make it faster, cheaper and easier to persistently organize and mobilize people in low-income communities. Grassroot Platform before master deployment as of 2021-04-16 did not properly verify the signature of JSON Web Tokens when refreshing an existing JWT. This allows to forge a valid JWT. The problem has been patched in version 1.3.1 by deprecating the JWT refresh function, which was an overdue deprecation regardless (the "refresh" flow is no longer used).
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-347 - {"CWE-347":"Improper Verification of Cryptographic Signature"}
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2021-29451 (GCVE-0-2021-29451)

Vulnerability from cvelistv5 – Published: 2021-04-16 21:40 – Updated: 2024-08-03 22:02
VLAI
Title
Missing validation of JWT signature in `ManyDesigns/Portofino`
Summary
Portofino is an open source web development framework. Portofino before version 5.2.1 did not properly verify the signature of JSON Web Tokens. This allows forging a valid JWT. The issue will be patched in the upcoming 5.2.1 release.
Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-347 - {"CWE-347":"Improper Verification of Cryptographic Signature"}
Assigner
References
Impacted products
Vendor Product Version
ManyDesigns Portofino Affected: >= 5.0.0, < 5.2.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-29108 (GCVE-0-2021-29108)

Vulnerability from cvelistv5 – Published: 2021-10-01 14:41 – Updated: 2025-04-10 14:59
VLAI
Title
There is an privilege escalation vulnerability in organization-specific logins in Esri Portal for ArcGIS versions 10.9 and below.
Summary
There is an privilege escalation vulnerability in organization-specific logins in Esri Portal for ArcGIS versions 10.9 and below that may allow a remote, authenticated attacker who is able to intercept and modify a SAML assertion to impersonate another account (XML Signature Wrapping Attack). In addition patching, Esri also strongly recommends as best practice for SAML assertions to be signed and encrypted.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-10 14:50 UTC
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
Vendor Product Version
Esri Portal for ArcGIS Affected: 10.9.0 , < <10.9.0 (10.9.0)
Create a notification for this product.
Date Public
2021-07-15 14:09
Show details on NVD website
To clipboard 

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CVE-2021-25636 (GCVE-0-2021-25636)

Vulnerability from cvelistv5 – Published: 2022-02-22 00:00 – Updated: 2024-08-03 20:11
VLAI
Title
Incorrect trust validation of signature with ambiguous KeyInfo children
Summary
LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to create a digitally signed ODF document, by manipulating the documentsignatures.xml or macrosignatures.xml stream within the document to contain both "X509Data" and "KeyValue" children of the "KeyInfo" tag, which when opened caused LibreOffice to verify using the "KeyValue" but to report verification with the unrelated "X509Data" value. This issue affects: The Document Foundation LibreOffice 7.2 versions prior to 7.2.5.
Severity
No CVSS data available.
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
Vendor Product Version
The Document Foundation LibreOffice Affected: 7.2 , < 7.2.5 (custom)
Create a notification for this product.
Credits
Thanks to NDS of Ruhr University Bochum for discovering and reporting this problem.
Show details on NVD website
To clipboard 

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CVE-2021-22735 (GCVE-0-2021-22735)

Vulnerability from cvelistv5 – Published: 2021-05-26 19:19 – Updated: 2024-08-03 18:51
VLAI
Summary
Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could allow remote code execution when unauthorized code is copied to the device.
Severity
No CVSS data available.
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
Vendor Product Version
n/a homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior Affected: homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior
Show details on NVD website
To clipboard 

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No mitigation information available for this CWE.

CAPEC-463: Padding Oracle Crypto Attack

An adversary is able to efficiently decrypt data without knowing the decryption key if a target system leaks data on whether or not a padding error happened while decrypting the ciphertext. A target system that leaks this type of information becomes the padding oracle and an adversary is able to make use of that oracle to efficiently decrypt data without knowing the decryption key by issuing on average 128*b calls to the padding oracle (where b is the number of bytes in the ciphertext block). In addition to performing decryption, an adversary is also able to produce valid ciphertexts (i.e., perform encryption) by using the padding oracle, all without knowing the encryption key.

CAPEC-475: Signature Spoofing by Improper Validation

An adversary exploits a cryptographic weakness in the signature verification algorithm implementation to generate a valid signature without knowing the key.

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