CVEvulnerability

CVE-2020-3204

6.7 MEDIUM Published 2020-06-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-06-03
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.7 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0 ([email protected])
6.7 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-20

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 execute arbitrary code on the underlying operating system (OS) with root privileges. The vulnerability is due to insufficient input validation of data passed to the Tcl interpreter. An attacker could exploit this vulnerability by loading malicious Tcl code on an affected device. A successful exploit could allow the attacker to cause memory corruption or execute the code with root privileges on the underlying OS of the affected device.

Affected configurations

• cisco ios 12.2\(6\)i1 • cisco ios 12.2\(33\)sre • cisco ios 12.2\(33\)sre0a • cisco ios 12.2\(33\)sre1 • cisco ios 12.2\(33\)sre2 • cisco ios 12.2\(33\)sre3 • cisco ios 12.2\(33\)sre4 • cisco ios 12.2\(33\)sre5 • cisco ios 12.2\(33\)sre6 • cisco ios 12.2\(33\)sre7 • cisco ios 12.2\(33\)sre7a • cisco ios 12.2\(33\)sre8 • cisco ios 12.2\(33\)sre9 • cisco ios 12.2\(33\)sre9a • cisco ios 12.2\(33\)sre10 • cisco ios 12.2\(33\)sre11 • cisco ios 12.2\(33\)sre12 • cisco ios 12.2\(33\)sre13 • cisco ios 12.2\(33\)sre14 • cisco ios 12.2\(33\)sre15 • cisco ios 12.2\(33\)sre15a • cisco ios 12.2\(33\)sxi • cisco ios 12.2\(33\)sxi1 • cisco ios 12.2\(33\)sxi2 • cisco ios 12.2\(33\)sxi2a • cisco ios 12.2\(33\)sxi3 • cisco ios 12.2\(33\)sxi3a • cisco ios 12.2\(33\)sxi3z • cisco ios 12.2\(33\)sxi4 • cisco ios 12.2\(33\)sxi4a • cisco ios 12.2\(33\)sxi5 • cisco ios 12.2\(33\)sxi5a • cisco ios 12.2\(33\)sxi6 • cisco ios 12.2\(33\)sxi7 • cisco ios 12.2\(33\)sxi8 • cisco ios 12.2\(33\)sxi8a • cisco ios 12.2\(33\)sxi9 • cisco ios 12.2\(33\)sxi9a • cisco ios 12.2\(33\)sxi10 • cisco ios 12.2\(33\)sxi11 • cisco ios 12.2\(33\)sxi12 • cisco ios 12.2\(33\)sxi13 • cisco ios 12.2\(33\)sxi14 • cisco ios 12.2\(33\)sxj • cisco ios 12.2\(33\)sxj1 • cisco ios 12.2\(33\)sxj2 • cisco ios 12.2\(33\)sxj3 • cisco ios 12.2\(33\)sxj4 • cisco ios 12.2\(33\)sxj5 • cisco ios 12.2\(33\)sxj6 • cisco ios 12.2\(33\)sxj7 • cisco ios 12.2\(33\)sxj8 • cisco ios 12.2\(33\)sxj9 • cisco ios 12.2\(33\)sxj10 • cisco ios 12.2\(33\)zi • cisco ios 12.2\(40\)ex • cisco ios 12.2\(40\)ex1 • cisco ios 12.2\(40\)ex2 • cisco ios 12.2\(40\)ex3 • cisco ios 12.2\(40\)se … and 1223 more

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References