What is CVE-2025-20115?

CVE-2025-20115 is a high-severity vulnerability in Cisco Ios Xr Software, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.6/10. Published 2025-03-12.

How severe is CVE-2025-20115?

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

Buffer overflow in Cisco Ios Xr Software

CVE-2025-20115

A vulnerability in confederation implementation for the Border Gateway Protocol (BGP) in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due…

Vulnerability class: Buffer Overflow

EPSS: 0.014 (80.6th 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 Ios Xr Software — versions 6.5.3, 6.5.29, 6.5.1

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

Frequently asked questions

What is CVE-2025-20115?: CVE-2025-20115 is a high-severity vulnerability in Cisco Ios Xr Software, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.6/10. Published 2025-03-12.
How severe is CVE-2025-20115?: High severity. CVSS v3 base score is 8.6 out of 10.