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Fencer Vulns
high 7.5

CVE-2023-36661 json

Shibboleth XMLTooling before 3.2.4, as used in OpenSAML and Shibboleth Service Provider, allows SSRF via a crafted KeyInfo element.

published 2023-06-25 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-40605

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
1
Metasploit

Summary

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.)

Patch / fix

  • shibboleth xmltooling 3.2.4
  • xmltooling Debian 12 3.2.3-1+deb12u1
  • xmltooling Debian 14, Debian 13 3.2.4-1

debian advisories DEBIAN-CVE-2023-36661

  • xmltooling Ubuntu Pro 16.04 LTS 1.5.6-2ubuntu0.3+esm1

ubuntu advisories UBUNTU-CVE-2023-36661

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • xmltooling SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Real Time 15 SP3 +9 more 3.1.0-150300.3.3.1
  • xmltooling SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.5.6-3.13.1
  • xmltooling openSUSE Leap 15.4 1.6.4-150000.3.10.1

suse advisories SUSE-SU-2023:3089-1SUSE-SU-2023:2975-1SUSE-SU-2023:2766-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-36661 updated

XMLTooling: SSRF via a crafted KeyInfo element

  • Red Hat JBoss Data Virtualization 6 XMLTooling XMLTooling Red Hat JBoss Enterprise Application Platform 6 XMLTooling XMLTooling Red Hat JBoss Fuse 6 xmltooling xmltooling
    affected: no fix planned “Out of support scope”
  • Red Hat Fuse 7 XMLTooling XMLTooling Red Hat JBoss Enterprise Application Platform 7 xmltooling xmltooling Red Hat JBoss Enterprise Application Platform 8 xmltooling xmltooling Red Hat Single Sign-On 7 xmltooling xmltooling
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (Metasploit exploit/linux/http/ivanti_connect_secure_rce_cve_2024_21893)

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

2.89% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

References

Sources

Fencer Vulns 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.