CWE-347
Improper Verification of Cryptographic Signature
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 (357)
page 6 of 18| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-10795 | Hig | 0.46 | 8.1 | 0.04 | Jun 11, 2026 | The UpdraftPlus: WP Backup & Migration Plugin plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.26.4 via the UpdraftPlus_Remote_Communications_V2::wp_loaded function. This is due to insufficient validation of the remote… | ||
| CVE-2024-36334 | Hig | 0.46 | — | 0.00 | May 15, 2026 | Improper verification of cryptographic signature in the Radeon RGB tool could allow a malicious file placed in the installation directory to be run with elevated privileges potentially leading to arbitrary code execution. | ||
| CVE-2026-42602 | Hig | 0.46 | 8.1 | 0.00 | May 13, 2026 | azureauthextension is the Azure Authenticator Extension. From 0.124.0 to 0.150.0, a server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate… | ||
| CVE-2026-41669 | Hig | 0.46 | 8.2 | 0.00 | May 7, 2026 | Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature() method at both call sites (handleSSORequest() line 418 and handleSLORequest() line 613). The method… | ||
| CVE-2026-38651 | Hig | 0.46 | 8.2 | 0.00 | Apr 28, 2026 | Authentication Bypass vulnerability exists in Netmaker versions prior to 1.5.0. The VerifyHostToken function in logic/jwts.go fails to validate the JWT signature when verifying host tokens. An attacker can forge a JWT signed with any arbitrary key and use it to impersonate any… | ||
| CVE-2026-5466 | Hig | 0.46 | 8.1 | 0.00 | Apr 10, 2026 | wolfSSL's ECCSI signature verifier `wc_VerifyEccsiHash` decodes the `r` and `s` scalars from the signature blob via `mp_read_unsigned_bin` with no check that they lie in `[1, q-1]`. A crafted forged signature could verify against any message for any identity, using only… | ||
| CVE-2026-40070 | Hig | 0.46 | 8.1 | 0.00 | Apr 9, 2026 | BSV Ruby SDK is the Ruby SDK for the BSV blockchain. From 0.3.1 to before 0.8.2, BSV::Wallet::WalletClient#acquire_certificate persists certificate records to storage without verifying the certifier's signature over the certificate contents. In acquisition_protocol: 'direct',… | ||
| CVE-2026-34840 | Hig | 0.46 | 8.1 | 0.00 | Apr 2, 2026 | OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, OneUptime's SAML SSO implementation (App/FeatureSet/Identity/Utils/SSO.ts) has decoupled signature verification and identity extraction. isSignatureValid() verifies the first … | ||
| CVE-2026-34377 | Hig | 0.46 | 8.1 | 0.00 | Mar 31, 2026 | ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.0 and zebra-consensus version 5.0.1, a logic error in Zebra's transaction verification cache could allow a malicious miner to induce a consensus split. By matching a valid transaction's txid while… | ||
| CVE-2026-1529 | — | Hig | 0.46 | 8.1 | 0.00 | Feb 9, 2026 | A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token (JWT) payload. This lack of cryptographic signature verification allows the attacker to successfully… | |
| CVE-2025-34503 | — | Hig | 0.46 | — | 0.00 | Oct 24, 2025 | Deck Mate 1 executes firmware directly from an external EEPROM without verifying authenticity or integrity. An attacker with physical access can replace or reflash the EEPROM to run arbitrary code that persists across reboots. Because this design predates modern secure-boot or… | |
| CVE-2025-34500 | Hig | 0.46 | — | 0.00 | Oct 24, 2025 | Deck Mate 2's firmware update mechanism accepts packages without cryptographic signature verification, encrypts them with a single hard-coded AES key shared across devices, and uses a truncated HMAC for integrity validation. Attackers with access to the update interface -… | ||
| CVE-2024-49365 | Hig | 0.46 | — | 0.00 | Jul 1, 2025 | tiny-secp256k1 is a tiny secp256k1 native/JS wrapper. Prior to version 1.1.7, a malicious JSON-stringifyable message can be made passing on verify(), when global Buffer is the buffer package. This affects only environments where require('buffer') is the NPM buffer package.… | ||
| CVE-2018-7711 | — | Hig | 0.46 | 8.1 | 0.01 | Mar 5, 2018 | HTTPRedirect.php in the saml2 library in SimpleSAMLphp before 1.15.4 has an incorrect check of return values in the signature validation utilities, allowing an attacker to get invalid signatures accepted as valid by forcing an error during validation. This occurs because of a… | |
| CVE-2017-18122 | — | Hig | 0.46 | 8.1 | 0.01 | Feb 2, 2018 | A signature-validation bypass issue was discovered in SimpleSAMLphp through 1.14.16. A SimpleSAMLphp Service Provider using SAML 1.1 will regard as valid any unsigned SAML response containing more than one signed assertion, provided that the signature of at least one of the… | |
| CVE-2026-44720 | — | Med | 0.45 | — | 0.00 | May 27, 2026 | OpenLearnX is an open-source, decentralized learning and assessment platform. Prior to 2.0.4, a critical authentication vulnerability was identified in OpenLearnX that could allow unauthorized access to user accounts under specific conditions. This vulnerability is fixed in… | |
| CVE-2026-41431 | Hig | 0.45 | 8.0 | 0.00 | May 11, 2026 | Zen is a firefox-based browser. Prior to 1.19.9b, Zen Browser ships a Mozilla Application Resource (MAR) updater (org.mozilla.updater) that has had all MAR signature verification stripped from the Firefox codebase it was forked from. The MAR files served to users contain zero… | ||
| CVE-2025-32060 | Med | 0.44 | 6.7 | 0.00 | Feb 15, 2026 | The system suffers from the absence of a kernel module signature verification. If an attacker can execute commands on behalf of root user (due to additional vulnerabilities), then he/she is also able to load custom kernel modules to the kernel space and execute code in the… | ||
| CVE-2025-4371 | Med | 0.44 | 6.8 | 0.00 | Aug 18, 2025 | A potential vulnerability was reported in the Lenovo 510 FHD and Performance FHD web cameras that could allow an attacker with physical access to write arbitrary firmware updates to the device over a USB connection. | ||
| CVE-2024-5912 | Med | 0.44 | — | 0.00 | Jul 10, 2024 | An improper file signature check in Palo Alto Networks Cortex XDR agent may allow an attacker to bypass the Cortex XDR agent's executable blocking capabilities and run untrusted executables on the device. This issue can be leveraged to execute untrusted software without being… |
- risk 0.46cvss 8.1epss 0.04
The UpdraftPlus: WP Backup & Migration Plugin plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.26.4 via the UpdraftPlus_Remote_Communications_V2::wp_loaded function. This is due to insufficient validation of the remote…
- risk 0.46cvss —epss 0.00
Improper verification of cryptographic signature in the Radeon RGB tool could allow a malicious file placed in the installation directory to be run with elevated privileges potentially leading to arbitrary code execution.
- risk 0.46cvss 8.1epss 0.00
azureauthextension is the Azure Authenticator Extension. From 0.124.0 to 0.150.0, a server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate…
- risk 0.46cvss 8.2epss 0.00
Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature() method at both call sites (handleSSORequest() line 418 and handleSLORequest() line 613). The method…
- risk 0.46cvss 8.2epss 0.00
Authentication Bypass vulnerability exists in Netmaker versions prior to 1.5.0. The VerifyHostToken function in logic/jwts.go fails to validate the JWT signature when verifying host tokens. An attacker can forge a JWT signed with any arbitrary key and use it to impersonate any…
- risk 0.46cvss 8.1epss 0.00
wolfSSL's ECCSI signature verifier `wc_VerifyEccsiHash` decodes the `r` and `s` scalars from the signature blob via `mp_read_unsigned_bin` with no check that they lie in `[1, q-1]`. A crafted forged signature could verify against any message for any identity, using only…
- risk 0.46cvss 8.1epss 0.00
BSV Ruby SDK is the Ruby SDK for the BSV blockchain. From 0.3.1 to before 0.8.2, BSV::Wallet::WalletClient#acquire_certificate persists certificate records to storage without verifying the certifier's signature over the certificate contents. In acquisition_protocol: 'direct',…
- risk 0.46cvss 8.1epss 0.00
OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, OneUptime's SAML SSO implementation (App/FeatureSet/Identity/Utils/SSO.ts) has decoupled signature verification and identity extraction. isSignatureValid() verifies the first …
- risk 0.46cvss 8.1epss 0.00
ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.0 and zebra-consensus version 5.0.1, a logic error in Zebra's transaction verification cache could allow a malicious miner to induce a consensus split. By matching a valid transaction's txid while…
- risk 0.46cvss 8.1epss 0.00
A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token (JWT) payload. This lack of cryptographic signature verification allows the attacker to successfully…
- risk 0.46cvss —epss 0.00
Deck Mate 1 executes firmware directly from an external EEPROM without verifying authenticity or integrity. An attacker with physical access can replace or reflash the EEPROM to run arbitrary code that persists across reboots. Because this design predates modern secure-boot or…
- risk 0.46cvss —epss 0.00
Deck Mate 2's firmware update mechanism accepts packages without cryptographic signature verification, encrypts them with a single hard-coded AES key shared across devices, and uses a truncated HMAC for integrity validation. Attackers with access to the update interface -…
- risk 0.46cvss —epss 0.00
tiny-secp256k1 is a tiny secp256k1 native/JS wrapper. Prior to version 1.1.7, a malicious JSON-stringifyable message can be made passing on verify(), when global Buffer is the buffer package. This affects only environments where require('buffer') is the NPM buffer package.…
- risk 0.46cvss 8.1epss 0.01
HTTPRedirect.php in the saml2 library in SimpleSAMLphp before 1.15.4 has an incorrect check of return values in the signature validation utilities, allowing an attacker to get invalid signatures accepted as valid by forcing an error during validation. This occurs because of a…
- risk 0.46cvss 8.1epss 0.01
A signature-validation bypass issue was discovered in SimpleSAMLphp through 1.14.16. A SimpleSAMLphp Service Provider using SAML 1.1 will regard as valid any unsigned SAML response containing more than one signed assertion, provided that the signature of at least one of the…
- risk 0.45cvss —epss 0.00
OpenLearnX is an open-source, decentralized learning and assessment platform. Prior to 2.0.4, a critical authentication vulnerability was identified in OpenLearnX that could allow unauthorized access to user accounts under specific conditions. This vulnerability is fixed in…
- risk 0.45cvss 8.0epss 0.00
Zen is a firefox-based browser. Prior to 1.19.9b, Zen Browser ships a Mozilla Application Resource (MAR) updater (org.mozilla.updater) that has had all MAR signature verification stripped from the Firefox codebase it was forked from. The MAR files served to users contain zero…
- risk 0.44cvss 6.7epss 0.00
The system suffers from the absence of a kernel module signature verification. If an attacker can execute commands on behalf of root user (due to additional vulnerabilities), then he/she is also able to load custom kernel modules to the kernel space and execute code in the…
- risk 0.44cvss 6.8epss 0.00
A potential vulnerability was reported in the Lenovo 510 FHD and Performance FHD web cameras that could allow an attacker with physical access to write arbitrary firmware updates to the device over a USB connection.
- risk 0.44cvss —epss 0.00
An improper file signature check in Palo Alto Networks Cortex XDR agent may allow an attacker to bypass the Cortex XDR agent's executable blocking capabilities and run untrusted executables on the device. This issue can be leveraged to execute untrusted software without being…