CVE-2024-52806: simplesamlphp saml2
CVSS: 8.3v3.1HighDeferred
AliasesUBUNTU-CVE-2024-52806DEBIAN-CVE-2024-52806
Published 02-12-2024Last modified 02-12-2024
Vulnerability summary
CVE-2024-52806 is a high (CVSS 8.3) vulnerability in simplesamlphp saml2. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.4% of scored vulnerabilities.
CVSS score
8.3/10
010
High · v3.1 (CVE.org)EPSS score
0.43%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 02-12-2024PublishedVulnerability first disclosed.
- 02-12-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 8.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:LSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated8.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
- OSV · DebianEcosystem advisory · calculated8.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
- NVDNIST8.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
0.00 pp
From 0.43% on 21-09-2026
21-09-202621-10-2026
EPSS score0.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- simplesamlphp< 1.19.7-1+deb12u1
Simplesamlphp1 product
- saml2< 4.6.14 | ≥ 5.0.0-alpha.1, < 5.0.0-alpha.18
Ubuntu1 product
- simplesamlphpAll versions (No fix recorded)
3 vendors · 3 products
References
5 links- github.com/simplesamlphp/saml2/commit/5fd4ce4596656fb0c1278f15b8305825412e89f7X Refsource MISCREPORT