XSS in Servicenow It Service Management
CVE-2019-20768
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.007 (52.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Servicenow It Service Management — versions kingston, london, madrid
Weakness classification (CWE)
References
- outpost24.com/blog (Third Party Advisory)
- outpost24.com/blog/Responsible-disclosure-Multiple-stored-XSS-vulnerabilities-d… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-20768?
- CVE-2019-20768 is a medium-severity vulnerability in Servicenow It Service Management, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-05-05.
- How severe is CVE-2019-20768?
- Medium severity. CVSS v3 base score is 5.4 out of 10.