tngan SAMLify up to 2.9.x SAML Response signature verification
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in tngan SAMLify up to 2.9.x. It has been classified as problematic. Affected by this issue is some unknown functionality of the component SAML Response Handler. The manipulation leads to signature verification. This vulnerability is traded as CVE-2025-47949. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.
Details
A vulnerability, which was classified as problematic, has been found in tngan SAMLify up to 2.9.x. This issue affects an unknown code block of the component SAML Response Handler. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
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. Version 2.10.0 fixes the issue.
The weakness was shared as confirmed security advisory. The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-47949 since 05/14/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.
Upgrading to version 2.10.0 eliminates this vulnerability.
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Product
Vendor
Name
Version
Website
- Product: https://github.com/tngan/samlify/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Signature verificationCWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: SAMLify 2.10.0
Timeline
05/14/2025 🔍05/19/2025 🔍
05/19/2025 🔍
05/23/2025 🔍
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2025-47949 (🔍)
GCVE (CVE): GCVE-0-2025-47949
GCVE (VulDB): GCVE-100-309629
Entry
Created: 05/19/2025 21:38Updated: 05/23/2025 09:05
Changes: 05/19/2025 21:38 (66), 05/23/2025 09:05 (1)
Complete: 🔍
Cache ID: 216::103
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