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CVE-2023-36661

HIGHCVSS 7.5/10EPSS 2.75%

Last modified

CVE-2023-36661 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.). EPSS estimates a 2.75% chance of exploitation in the next 30 days.

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.)

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
2.75%

84.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ShibbolethXmltooling< 3.2.4
DebianDebian Linux11.0
DebianDebian Linux12.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-36661?
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.)
How severe is CVE-2023-36661?
CVE-2023-36661 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.75% probability of exploitation in the next 30 days.
How do I fix CVE-2023-36661?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-36661?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST