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 (803)

page 9 of 41
  • CVE-2021-3051HigSep 8, 2021
    risk 0.53cvss 8.1epss 0.01

    An improper verification of cryptographic signature vulnerability exists in Cortex XSOAR SAML authentication that enables an unauthenticated network-based attacker with specific knowledge of the Cortex XSOAR instance to access protected resources and perform unauthorized actions…

  • CVE-2020-11539HigApr 22, 2020
    risk 0.53cvss 8.1epss 0.01

    An issue was discovered on Tata Sonata Smart SF Rush 1.12 devices. It has been identified that the smart band has no pairing (mode 0 Bluetooth LE security level) The data being transmitted over the air is not encrypted. Adding to this, the data being sent to the smart band…

  • CVE-2019-16732HigDec 13, 2019
    risk 0.53cvss 8.1epss 0.01

    Unencrypted HTTP communications for firmware upgrades in Petalk AI and PF-103 allow man-in-the-middle attackers to run arbitrary code as the root user.

  • CVE-2019-10201HigAug 14, 2019
    risk 0.53cvss 8.1epss 0.01

    It was found that Keycloak's SAML broker, versions up to 6.0.1, did not verify missing message signatures. If an attacker modifies the SAML Response and removes the sections, the message is still accepted, and the message can be modified. An attacker could use this…

  • CVE-2018-16557HigDec 13, 2018
    risk 0.53cvss 8.2epss 0.01

    A vulnerability has been identified in SIMATIC S7-400 CPU 412-1 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 DP V7 (All versions), SIMATIC S7-400 CPU 414-2 DP V7 (All versions), SIMATIC S7-400 CPU 414-3 DP V7 (All versions), SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions…

  • CVE-2017-16853HigNov 16, 2017
    risk 0.53cvss 8.1epss 0.01

    The DynamicMetadataProvider class in saml/saml2/metadata/impl/DynamicMetadataProvider.cpp in OpenSAML-C in OpenSAML before 2.6.1 fails to properly configure itself with the MetadataFilter plugins and does not perform critical security checks such as signature verification,…

  • CVE-2017-16852HigNov 16, 2017
    risk 0.53cvss 8.1epss 0.01

    shibsp/metadata/DynamicMetadataProvider.cpp in the Dynamic MetadataProvider plugin in Shibboleth Service Provider before 2.6.1 fails to properly configure itself with the MetadataFilter plugins and does not perform critical security checks such as signature verification,…

  • CVE-2017-6445HigMar 5, 2017
    risk 0.53cvss 8.1epss 0.01

    The auto-update feature of Open Embedded Linux Entertainment Center (OpenELEC) 6.0.3, 7.0.1, and 8.0.4 uses neither encrypted connections nor signed updates. A man-in-the-middle attacker could manipulate the update packages to gain root access remotely.

  • CVE-2026-9487CriAug 3, 2026
    risk 0.52cvss 9.1epss 0.00

    XML::Sig versions before 0.71 for Perl allow signature wrapping via duplicate ID. _get_signed_xml() in lib/XML/Sig.pm, called from verify(), resolves the SignedInfo Reference/@URI to a node with the XPath expression "//*[@ID='$id']" and returns the first node of the resulting…

  • CVE-2026-46354CriJul 7, 2026
    risk 0.52cvss 9.1epss 0.00

    Coder allows organizations to provision remote development environments via Terraform. In versions prior tp 2.24.5, 2.29.13, 2.30.8, 2.31.12, 2.32.2, and 2.33.3, `azureidentity.Validate()` verifies that the PKCS#7 signer certificate chains to a trusted Azure CA but never…

  • CVE-2026-49454CriJun 18, 2026
    risk 0.52cvss 9.1epss 0.00

    Relyra is a strict-by-default SAML 2.0 Service Provider library for Elixir and Phoenix. Versions 1.0.0 and 1.1.0 accept forged SAML signatures because SignatureValue was not cryptographically verified before the library returned a successful authentication result. The XMLDSig…

  • CVE-2026-44699CriMay 15, 2026
    risk 0.52cvss epss 0.00

    LibJWT is a C JSON Web Token Library. From 3.0.0 to 3.3.2, libjwt accepts an RSA JWK that does not contain an alg parameter as the verification key for an HS256/HS384/HS512 token. In the OpenSSL backend, this causes HMAC verification to run with a zero-length key, so an attacker…

  • CVE-2026-33117CriMay 12, 2026
    risk 0.52cvss 9.1epss 0.00

    The Java Key Vault Keys library in the Azure SDK for Java contains an issue in the local cryptographic verification path where authentication tag comparison was implemented incorrectly. In affected applications that use the vulnerable local cryptography path, specially crafted…

  • CVE-2026-42193CriMay 8, 2026
    risk 0.52cvss 9.1epss 0.00

    Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a…

  • CVE-2026-44497CriMay 8, 2026
    risk 0.52cvss 9.1epss 0.00

    ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.4.0 and prior to zebra-script version 6.0.0, the fix for CVE-2026-41583 introduced a separate issue due to insufficient error handling of the case where the sighash type is invalid, during sighash…

  • CVE-2026-34872CriApr 1, 2026
    risk 0.52cvss 9.1epss 0.00

    An issue was discovered in Mbed TLS 3.5.x and 3.6.x through 3.6.5 and TF-PSA-Crypto 1.0. There is a lack of contributory behavior in FFDH due to improper input validation. Using finite-field Diffie-Hellman, the other party can force the shared secret into a small set of values…

  • CVE-2026-33026CriMar 30, 2026
    risk 0.52cvss 9.1epss 0.00

    Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui backup restore mechanism allows attackers to tamper with encrypted backup archives and inject malicious configuration during restoration. This issue has been patched in version 2.3.4.

  • CVE-2026-27962CriMar 16, 2026
    risk 0.52cvss 9.1epss 0.01

    Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a JWK Header Injection vulnerability in authlib's JWS implementation allows an unauthenticated attacker to forge arbitrary JWT tokens that pass signature verification. When…

  • CVE-2025-66568CriDec 9, 2025
    risk 0.52cvss 9.1epss 0.00

    The ruby-saml library implements the client side of an SAML authorization. Versions up to and including 1.12.4, are vulnerable to authentication bypass through the libxml2 canonicalization process used by Nokogiri for document transformation, which allows an attacker to execute…

  • CVE-2025-66567CriDec 9, 2025
    risk 0.52cvss 9.1epss 0.00

    The ruby-saml library is for implementing the client side of a SAML authorization. ruby-saml versions up to and including 1.12.4 contain an authentication bypass vulnerability due to an incomplete fix for CVE-2025-25292. ReXML and Nokogiri parse XML differently, generating…