CVSS 3.1
7.7 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HCVE-2021-34699
High (7.7) in cisco. EPSS 1.2% chance of exploitation in the next 30 days.
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 and the CLI parser. An attacker could exploit this vulnerability by requesting a particular CLI command to be run through the web UI. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-436, CWE-435
- Published
- Modified
- Record from
- the NVD, synced
Affected
- cisco:ios
- cisco:ios_xe