What is CVE-2021-34718?

CVE-2021-34718 is a high-severity vulnerability in Cisco Asr_9000v-v2, classified under Argument Injection. CVSS score: 8.1/10. Published 2021-09-09.

How severe is CVE-2021-34718?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Cisco Asr_9000v-v2

CVE-2021-34718

A vulnerability in the SSH Server process of Cisco IOS XR Software could allow an authenticated, remote attacker to overwrite and read arbitrary files on the local device. This vulnerability is due to insufficient input validation of argum…

EPSS: 0.015 (71.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

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-88 — Argument Injection

References

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

Frequently asked questions

What is CVE-2021-34718?: CVE-2021-34718 is a high-severity vulnerability in Cisco Asr_9000v-v2, classified under Argument Injection. CVSS score: 8.1/10. Published 2021-09-09.
How severe is CVE-2021-34718?: High severity. CVSS v3 base score is 8.1 out of 10.