HIGH

CVE-2023-36661

CVSS v3

7.5

HIGH

EPSS Score

60.7%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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.)

Technical details

Published
6/25/2023

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.)

Is CVE-2023-36661 actively exploited?

Active exploitation of CVE-2023-36661 has not been confirmed. The EPSS score is 60.7%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-36661?

CVE-2023-36661 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2023-36661 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.