CVE-2020-3201
Description
A vulnerability in the Tool Command Language (Tcl) interpreter of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker with privileged EXEC credentials to cause a denial of service (DoS) condition on an affected system. The vulnerability is due to insufficient input validation of data passed to the Tcl interpreter. An attacker could exploit this vulnerability by executing crafted Tcl arguments on an affected device. An exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
Risk Information
Base Score
6.0
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.033
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Cisco IOS and IOS XE Software Tcl Denial of Service Vulnerability For Cisco IOS | NCM |
| Cisco IOS and IOS XE Software Tcl Denial of Service Vulnerability For Cisco IOS XE Software | NCM |
| Improper Input Validation Vulnerability (CVE-2020-3201) | 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