VYPR

CWE-347

Improper Verification of Cryptographic Signature

BaseDraft

Description

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

Hierarchy (View 1000)

Parents

Children

none

Related attack patterns (CAPEC)

CAPEC-463 · CAPEC-475

CVEs mapped to this weakness (884)

page 27 of 45
  • CVE-2026-5050HigApr 16, 2026
    risk 0.42cvss 7.5epss 0.00

    The Payment Gateway for Redsys & WooCommerce Lite plugin for WordPress is vulnerable to Improper Verification of Cryptographic Signature in versions up to, and including, 7.0.0 due to successful_request() handlers calculating a local signature but not validating Ds_Signature…

  • CVE-2026-5588HigApr 15, 2026
    risk 0.42cvss 7.5epss 0.01

    Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all (pkix modules), Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All (pkix modules), Legion of the Bouncy Castle Inc. BCPIX-LTS bcpkix on All (pkix…

  • CVE-2026-34240HigMar 31, 2026
    risk 0.42cvss 7.5epss 0.00

    JOSE is a Javascript Object Signing and Encryption (JOSE) library. Prior to version 0.3.5+1, a vulnerability in jose could allow an unauthenticated, remote attacker to forge valid JWS/JWT tokens by using a key embedded in the JOSE header (jwk). The vulnerability exists because…

  • CVE-2026-33895HigMar 27, 2026
    risk 0.42cvss 7.5epss 0.01

    Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. Prior to version 1.4.0, Ed25519 signature verification accepts forged non-canonical signatures where the scalar S is not reduced modulo the group order (`S >= L`). A valid…

  • CVE-2026-33894HigMar 27, 2026
    risk 0.42cvss 7.5epss 0.00

    Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. Prior to version 1.4.0, RSASSA PKCS#1 v1.5 signature verification accepts forged signatures for low public exponent keys (e=3). Attackers can forge signatures by stuffing…

  • CVE-2026-33487HigMar 26, 2026
    risk 0.42cvss 7.5epss 0.00

    goxmlsig provides XML Digital Signatures implemented in Go. Prior to version 1.6.0, the `validateSignature` function in `validate.go` goes through the references in the `SignedInfo` block to find one that matches the signed element's ID. In Go versions before 1.22, or when…

  • CVE-2026-4258HigMar 17, 2026
    risk 0.42cvss 7.5epss 0.00

    Versions of the package sjcl before 1.0.9 are vulnerable to Improper Verification of Cryptographic Signature due to missing point-on-curve validation in sjcl.ecc.basicKey.publicKey(). An attacker can recover a victim's ECDH private key by sending crafted off-curve public keys…

  • CVE-2026-32614HigMar 16, 2026
    risk 0.42cvss 7.5epss 0.00

    Go ShangMi (Commercial Cryptography) Library (GMSM) is a cryptographic library that covers the Chinese commercial cryptographic public algorithms SM2/SM3/SM4/SM9/ZUC. Prior to 0.41.1, the current SM9 decryption implementation contains an infinity-point ciphertext forgery…

  • CVE-2026-32597HigMar 13, 2026
    risk 0.42cvss 7.5epss 0.00

    PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit (Critical) Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token…

  • CVE-2026-22866HigFeb 25, 2026
    risk 0.42cvss 7.5epss 0.00

    Ethereum Name Service (ENS) is a distributed, open, and extensible naming system based on the Ethereum blockchain. In versions 1.6.2 and prior, the `RSASHA256Algorithm` and `RSASHA1Algorithm` contracts fail to validate PKCS#1 v1.5 padding structure when verifying RSA signatures.…

  • CVE-2026-23965HigJan 22, 2026
    risk 0.42cvss 7.5epss 0.00

    sm-crypto provides JavaScript implementations of the Chinese cryptographic algorithms SM2, SM3, and SM4. A signature forgery vulnerability exists in the SM2 signature verification logic of sm-crypto prior to version 0.4.0. Under default configurations, an attacker can forge…

  • CVE-2025-55311MedDec 11, 2025
    risk 0.42cvss 6.5epss 0.00

    An issue was discovered in Foxit PDF and Editor for Windows and macOS before 13.2 and 2025 before 2025.2. A crafted PDF can use JavaScript to alter annotation content and subsequently clear the file's modification status via JavaScript interfaces. This circumvents digital…

  • CVE-2025-65945HigDec 4, 2025
    risk 0.42cvss 7.5epss 0.00

    auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an improper signature verification vulnerability when using the HS256 algorithm under specific conditions. Applications are affected when they…

  • CVE-2024-36347MedJun 27, 2025
    risk 0.42cvss 6.4epss 0.00

    Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious microcode, potentially resulting in loss of integrity of x86 instruction execution, loss of confidentiality and integrity of data in…

  • CVE-2025-47827MedKEVJun 5, 2025
    risk 0.42cvss 4.6epss 0.05

    In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.

  • CVE-2025-47949HigMay 19, 2025
    risk 0.42cvss 7.5epss 0.00

    samlify is a Node.js library for SAML single sign-on. A Signature Wrapping attack has been found in samlify prior to version 2.10.0, allowing an attacker to forge a SAML Response to authenticate as any user. An attacker would need a signed XML document by the identity provider.…

  • CVE-2024-49393MedNov 12, 2024
    risk 0.42cvss 6.5epss 0.00

    In neomutt and mutt, the To and Cc email headers are not validated by cryptographic signing which allows an attacker that intercepts a message to change their value and include himself as a one of the recipients to compromise message confidentiality.

  • CVE-2024-23460MedAug 6, 2024
    risk 0.42cvss 6.4epss 0.00

    The Zscaler Updater process does not validate the digital signature of the installer before execution, allowing arbitrary code to be locally executed. This affects Zscaler Client Connector on MacOS <4.2.

  • CVE-2024-6580MedJul 8, 2024
    risk 0.42cvss 6.5epss 0.00

    The /n software IPWorks SSH library SFTPServer component can be induced to make unintended filesystem or network path requests when loading a SSH public key or certificate. To be exploitable, an application calling the SFTPServer component must grant user access without…

  • CVE-2024-20892MedJul 2, 2024
    risk 0.42cvss 6.5epss 0.00

    Improper verification of signature in FilterProvider prior to SMR Jul-2024 Release 1 allows local attackers to execute privileged behaviors. User interaction is required for triggering this vulnerability.