What is CVE-2021-34699?

CVE-2021-34699 is a high-severity vulnerability in Cisco Ios, classified under CWE-435. CVSS score: 7.7/10. Published 2021-09-23.

How severe is CVE-2021-34699?

High severity. CVSS v3 base score is 7.7 out of 10.

Vulnerability in Cisco Ios

CVE-2021-34699

A vulnerability in the TrustSec CLI parser of Cisco IOS and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload. This vulnerability is due to an improper interaction between the web UI…

EPSS: 0.012 (64.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Ios — versions n/a
Cisco Ios — versions 12.2\(6\)i1, 15.0\(1\)sy, 15.0\(1\)sy1
Cisco Ios_xe — versions 3.3.0se, 3.3.0xo, 3.3.1se

Weakness classification (CWE)

CWE-435
CWE-436

References

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

Frequently asked questions

What is CVE-2021-34699?: CVE-2021-34699 is a high-severity vulnerability in Cisco Ios, classified under CWE-435. CVSS score: 7.7/10. Published 2021-09-23.
How severe is CVE-2021-34699?: High severity. CVSS v3 base score is 7.7 out of 10.