What is CVE-2023-20049?

CVE-2023-20049 is a high-severity vulnerability in Cisco Asr_9000v-v2, classified under Buffer Access with Incorrect Length Value. CVSS score: 8.6/10. Published 2023-03-09.

How severe is CVE-2023-20049?

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

Buffer overflow in Cisco Asr_9000v-v2

CVE-2023-20049

A vulnerability in the bidirectional forwarding detection (BFD) hardware offload feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-…

EPSS: 0.010 (60.4th 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 Asr_9000v-v2
Cisco Asr_9001
Cisco Asr_9006
Cisco Asr_9010
Cisco Asr_9901
Cisco Asr_9902
Cisco Asr_9903
Cisco Asr_9904
Cisco Asr_9906
Cisco Asr_9910

Weakness classification (CWE)

CWE-805 — Buffer Access with Incorrect Length Value
CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

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

Frequently asked questions

What is CVE-2023-20049?: CVE-2023-20049 is a high-severity vulnerability in Cisco Asr_9000v-v2, classified under Buffer Access with Incorrect Length Value. CVSS score: 8.6/10. Published 2023-03-09.
How severe is CVE-2023-20049?: High severity. CVSS v3 base score is 8.6 out of 10.