Cisco Prime License Manager Privilege Escalation Vulnerability

published 2020-07-16 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-24411

cvss: 9.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.1%; EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits: 0; none known

A vulnerability in the web management interface of Cisco Prime License Manager (PLM) Software could allow an unauthenticated, remote attacker to gain unauthorized access to an affected device. The vulnerability is due to insufficient validation of user input on the web management interface. An attacker could exploit this vulnerability by submitting a malicious request to an affected system. An exploit could allow the attacker to gain administrative-level privileges on the system. The attacker needs a valid username to exploit this vulnerability.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 23 mo ago (2024-11-15)

Exploit prediction

3.08% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

Cisco Cisco Prime License Manager

Classification

Weakness

CWE-255 Credentials Management Errors
CWE-863 Incorrect Authorization

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-prime-priv-esc-HyhwdzBA
vendor-advisory

Sources

CVE List CVE-2020-3140
NVD CVE-2020-3140

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary