Vulnerability Details : CVE-2020-3201

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.
Published 2020-06-03 18:15:18
Updated 2021-08-12 18:17:46
Source Cisco Systems, Inc.
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

Products affected by CVE-2020-3201

Exploit prediction scoring system (EPSS) score for CVE-2020-3201

EPSS FAQ
0.13%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-3201

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.9
 MEDIUM AV:L/AC:L/Au:N/C:N/I:N/A:C
3.9
6.9
 NIST
6.0
 MEDIUM CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
1.5
4.0
 Cisco Systems, Inc.
6.0
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
1.5
4.0
 NIST

CWE ids for CVE-2020-3201

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by:
    • nvd@nist.gov (Primary)
    • ykramarz@cisco.com (Secondary)

References for CVE-2020-3201

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