What is CVE-2025-20152?

CVE-2025-20152 is a high-severity vulnerability in Cisco Identity Services Engine Software, classified under Out-of-bounds Read. CVSS score: 8.6/10. Published 2025-05-21.

How severe is CVE-2025-20152?

High severity. CVSS v3 base score is 8.6 out of 10.

Out-of-bounds Read in Cisco Identity Services Engine Software

CVE-2025-20152

A vulnerability in the RADIUS message processing feature of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is d…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (46.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Identity Services Engine Software — versions 3.4.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

cisco-sa-ise-restart-ss-uf986G2Q

Frequently asked questions

What is CVE-2025-20152?: CVE-2025-20152 is a high-severity vulnerability in Cisco Identity Services Engine Software, classified under Out-of-bounds Read. CVSS score: 8.6/10. Published 2025-05-21.
How severe is CVE-2025-20152?: High severity. CVSS v3 base score is 8.6 out of 10.