CVE-2019-12638

Name: CVE-2019-12638
Creator: NVD / NIST
Published: 2019-10-16T19:15:11.32+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2019-12638 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the web-based management interface. The vulnerability is due to insufficient validation of user-supplied input that is processed by the web-based management interface. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the web-based management interface. The vulnerability is due to insufficient validation of user-supplied input that is processed by the web-based management interface. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.63%

45.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Identity Services Engine	<= 2.2.0
Cisco	Identity Services Engine	2.3
Cisco	Identity Services Engine	2.3\(0.298\)
Cisco	Identity Services Engine	2.4
Cisco	Identity Services Engine	2.4\(0.357\)
Cisco	Identity Services Engine	2.6\(0.156\)
Cisco	Identity Services Engine	2.7\(0.999\)

References

Timeline

Published: Oct 16, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-12638?

How severe is CVE-2019-12638?

CVE-2019-12638 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2019-12638?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-12638?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST