CVE-2023-36661

high-risk
Published 2023-06-25

Shibboleth XMLTooling before 3.2.4, as used in OpenSAML and Shibboleth Service Provider, allows SSRF via a crafted KeyInfo element. (This is fixed in, for example, Shibboleth Service Provider 3.4.1.3 on Windows.)

Do I need to act?

!
60.7% chance of exploitation in next 30 days
EPSS score — higher than 39% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Debian Shibboleth

References (4)

Vendor Advisory https://shibboleth.net/community/advisories/secadv_20230612.txt
Third Party Advisory https://www.debian.org/security/2023/dsa-5432
Vendor Advisory https://shibboleth.net/community/advisories/secadv_20230612.txt
Third Party Advisory https://www.debian.org/security/2023/dsa-5432
54
/ 100
high-risk
Severity 26/34 · High
Exploitability 19/34 · Moderate
Exposure 9/34 · Low