CVE-2019-20768

Name: CVE-2019-20768
Creator: NVD / NIST
Published: 2020-05-05T22:15:12.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2019-20768 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. ServiceNow IT Service Management Kingston through Patch 14-1, London through Patch 7, and Madrid before patch 4 allow stored XSS via crafted sysparm_item_guid and sys_id parameters in an Incident Request to service_catalog.do.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

ServiceNow IT Service Management Kingston through Patch 14-1, London through Patch 7, and Madrid before patch 4 allow stored XSS via crafted sysparm_item_guid and sys_id parameters in an Incident Request to service_catalog.do.

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

0.72%

49.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Servicenow	It Service Management	kingston
Servicenow	It Service Management	london
Servicenow	It Service Management	madrid

References

https://outpost24.com/blog/Responsible-disclosure-Multiple-stored-XSS-vulnerabilities-discovered-in-ServiceNow-ITSMExploit, Third Party Advisory
https://outpost24.com/blog?tags=307Third Party Advisory
https://outpost24.com/blog/Responsible-disclosure-Multiple-stored-XSS-vulnerabilities-discovered-in-ServiceNow-ITSMExploit, Third Party Advisory
https://outpost24.com/blog?tags=307Third Party Advisory

Timeline

Published: May 5, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-20768?

How severe is CVE-2019-20768?

CVE-2019-20768 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20768?

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-2019-20768?

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

Scan your code now

Source: NVD / NIST