CVE-2021-34699
Description
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.
Risk Information
Base Score
7.7
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.702
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Cisco IOS and IOS XE Software TrustSec CLI Parser Denial of Service Vulnerability For Cisco IOS | NCM |
| Cisco IOS and IOS XE Software TrustSec CLI Parser Denial of Service Vulnerability For Cisco IOS XE Software | NCM |
| Interpretation Conflict Vulnerability (CVE-2021-34699) | NCM |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-1706090 | Security Update for Cisco IOS Amsterdam-17.2.1r |
| PATCH-1706107 | Security Update for Cisco IOS XE Software 5.2(1)SV5(1.3a) |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234