What is CVE-2023-20080?

CVE-2023-20080 is a high-severity vulnerability in Cisco Ios, classified under Improper Validation of Array Index. CVSS score: 8.6/10. Published 2023-03-23.

How severe is CVE-2023-20080?

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

Vulnerability in Cisco Ios

CVE-2023-20080

A vulnerability in the IPv6 DHCP version 6 (DHCPv6) relay and server features of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to ins…

EPSS: 0.010 (57.4th 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 Ios — versions n/a
Cisco Ios — versions 12.2\(6\)i1, 15.1\(2\)sg, 15.1\(2\)sg1
Cisco Ios_xe — versions 3.3.0xo, 3.3.1xo, 3.3.2xo

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

psirt@cisco.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20080?: CVE-2023-20080 is a high-severity vulnerability in Cisco Ios, classified under Improper Validation of Array Index. CVSS score: 8.6/10. Published 2023-03-23.
How severe is CVE-2023-20080?: High severity. CVSS v3 base score is 8.6 out of 10.