CVE-2023-36661

unknown
Published — · Modified —
CVSS v3
CVSS v4 NEW
not yet in upstream
VIR risk
1.0

Description

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.)

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

Ivanti Connect Secure Unauthenticated Remote Code Execution
Source fetch failed: fetch_error — view the original via the link above.

OS impact

suse SUSE Affected 1 release
VersionStatusFixed in
Affected
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 3.2.4-1
sid Fixed 3.2.4-1
forky Fixed 3.2.4-1
bullseye Fixed 3.2.0-3+deb11u1
bookworm Fixed 3.2.3-1+deb12u1

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.