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 30 of 45
  • CVE-2017-1000452HigJan 2, 2018
    risk 0.42cvss 7.5epss 0.01

    An XML Signature Wrapping vulnerability exists in Samlify 2.2.0 and earlier, and in predecessor Express-saml2 which could allow attackers to impersonate arbitrary users.

  • CVE-2017-5066MedOct 27, 2017
    risk 0.42cvss 6.5epss 0.01

    Insufficient consistency checks in signature handling in the networking stack in Google Chrome prior to 58.0.3029.81 for Mac, Windows, and Linux, and 58.0.3029.83 for Android, allowed a remote attacker to incorrectly accept a badly formed X.509 certificate via a crafted HTML…

  • CVE-2017-10669MedJun 30, 2017
    risk 0.42cvss 6.5epss 0.00

    Signature Wrapping exists in OSCI-Transport 1.2 as used in OSCI Transport Library 1.6.1 (Java) and OSCI Transport Library 1.6 (.NET). An attacker with access to unencrypted OSCI protocol messages must send crafted protocol messages with duplicate IDs.

  • CVE-2026-89043HigSep 10, 2026
    risk 0.41cvss 7.4epss 0.00

    passport-saml-encrypted through 0.1.13 contains an XML signature wrapping vulnerability where signature verification and assertion extraction use independent XPath lookups with no cross-validation. Attackers holding any validly signed SAML message can prepend a forged unsigned…

  • CVE-2026-67278MedSep 5, 2026
    risk 0.41cvss —epss 0.00

    MikroTik RouterOS accepts malformed RSA/PKCS#1 v1.5 signatures across RSA-based services, including TLS/X.509 certificate validation and SSH host-key authentication. Because its trust store includes an e=3 root CA, an attacker controlling or redirecting an outbound RouterOS TLS…

  • CVE-2026-85525HigSep 4, 2026
    risk 0.41cvss 7.4epss 0.00

    Improper OCSP response validation in the Snowflake Python, Go, JDBC, and Node.js drivers allowed a revoked TLS certificate to be accepted as valid, because OCSP responses were not reliably bound to the certificate being validated and definitive verification failures were treated…

  • CVE-2026-54783HigJul 8, 2026
    risk 0.41cvss 7.4epss 0.00

    CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF WS-Security endorsing and supporting signature verification does not ensure the selected ds:Signature covers the expected Security header target,…

  • CVE-2026-54774HigJul 8, 2026
    risk 0.41cvss 7.4epss 0.00

    CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, SamlSerializer skips final SignatureValue verification when a CoreWCF service validates SAML tokens using a non-X.509 signing token, allowing an attacker to…

  • CVE-2026-48526HigMay 28, 2026
    risk 0.41cvss 7.4epss 0.00

    PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC algorithms, the library does not validate use of JSON Web Keys in HMAC algorithm, allowing attacker to use the issuer…

  • CVE-2026-45575HigMay 26, 2026
    risk 0.41cvss 7.4epss 0.00

    epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.2, an attacker who can MITM the TLS connection between the client and the IDP (within the TI network) can substitute a forged discovery document. The forged document redirects…

  • CVE-2026-32144HigApr 7, 2026
    risk 0.41cvss 7.4epss 0.00

    Improper Certificate Validation vulnerability in Erlang OTP public_key (pubkey_ocsp module) allows OCSP designated-responder authorization bypass via missing signature verification. The OCSP response validation in public_key:pkix_ocsp_validate/5 does not verify that a…

  • CVE-2026-4600HigMar 23, 2026
    risk 0.41cvss 7.4epss 0.00

    Versions of the package jsrsasign before 11.1.1 are vulnerable to Improper Verification of Cryptographic Signature via the DSA domain-parameter validation in KJUR.crypto.DSA.setPublic (and the related DSA/X509 verification flow in src/dsa-2.0.js). An attacker can forge DSA…

  • CVE-2024-38807MedAug 23, 2024
    risk 0.41cvss 6.3epss 0.00

    Applications that use spring-boot-loader or spring-boot-loader-classic and contain custom code that performs signature verification of nested jar files may be vulnerable to signature forgery where content that appears to have been signed by one signer has, in fact, been signed…

  • CVE-2022-39299HigOct 12, 2022
    risk 0.41cvss 7.4epss 0.03

    Passport-SAML is a SAML 2.0 authentication provider for Passport, the Node.js authentication library. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP…

  • CVE-2020-15240HigOct 21, 2020
    risk 0.41cvss 7.4epss 0.01

    omniauth-auth0 (rubygems) versions >= 2.3.0 and < 2.4.1 improperly validate the JWT token signature when using the `jwt_validator.verify` method. Improper validation of the JWT token signature can allow an attacker to bypass authentication and authorization. You are affected by…

  • CVE-2020-2146HigMar 9, 2020
    risk 0.41cvss 7.4epss 0.01

    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.

  • CVE-2026-92718HigSep 16, 2026
    risk 0.40cvss 7.3epss 0.00

    Nuclei versions before 3.11.1 cache template signature verification based only on file modification time without content checksums. Attackers can replace verified templates with unsigned malicious content and restore the original modification time to bypass signature checks and…

  • CVE-2026-87732MedSep 9, 2026
    risk 0.40cvss 6.2epss 0.00

    An issue was discovered in the mirage-crypto package before 2.2.0 for OCaml. The AES.GCM.authenticate_decrypt_into and Chacha20.authenticate_decrypt_into functions write the decrypted plaintext into a caller-provided buffer and only then compares the tag. On a forged tag, the…

  • CVE-2026-17872MedJul 30, 2026
    risk 0.40cvss 6.1epss 0.00

    Cryptographic Flaw in WebAppInstalls in Google Chrome on Android prior to 151.0.7922.72 allowed a local attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

  • CVE-2026-20699MedMar 25, 2026
    risk 0.40cvss 6.2epss 0.00

    A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data.