CVE-2024-52806 json
SimpleSAMLphp SAML2 has an XXE in parsing SAML messages
published last yr. modified 4mo ago also EUVD-2024-3495 , GHSA-pxm4-r5ph-q2m2
- cvss
- 8.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. When loading an (untrusted) XML document, for example the SAMLResponse, it's possible to induce an XXE. This vulnerability is fixed in 4.6.14 and 5.0.0-alpha.18.
Patch / fix
- packagist simplesamlphp/saml2 4.6.14
- packagist simplesamlphp/saml2-legacy 4.6.14
- simplesamlphp saml2 4.6.14, 5.0.0-alpha.18
- simplesamlphp Debian 14, Debian 12 1.19.7-1+deb12u1
debian advisories DEBIAN-CVE-2024-52806
Is CVE-2024-52806 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L |
| GitHub | 3.1 | 8.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | simplesamlphp/saml2 | <4.6.14 |
4.6.14 |
| packagist | simplesamlphp/saml2-legacy | <4.6.14 |
4.6.14 |
Affected products
- simplesamlphp saml2
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
Sources
- CVE List CVE-2024-52806
- GitHub Advisory GHSA-pxm4-r5ph-q2m2
- NVD CVE-2024-52806
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.