What is CVE-2020-6843?

CVE-2020-6843 is a medium-severity vulnerability in Zohocorp Manageengine Servicedesk Plus, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-01-23.

How severe is CVE-2020-6843?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Zohocorp Manageengine Servicedesk Plus

CVE-2020-6843

Zoho ManageEngine ServiceDesk Plus 11.0 Build 11007 allows XSS. This issue was fixed in version 11.0 Build 11010, SD-83959.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-01-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.024 (83.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Zohocorp Manageengine Servicedesk Plus

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

sec-consult.com/en/vulnerability-lab/advisories/index.html (Exploit, Third Party Advisory)
seclists.org/fulldisclosure/2020/Jan/32 (mailing-list, Exploit, Mailing List, Third Party Advisory)
seclists.org/bugtraq/2020/Jan/34 (mailing-list, Exploit, Mailing List, Third Party Advisory)
packetstormsecurity.com/files/156050/ZOHO-ManageEngine-ServiceDeskPlus-11.0-Bui… (Exploit, VDB Entry, Third Party Advisory)
www.manageengine.com/products/service-desk/readme.html (Vendor Advisory)

Frequently asked questions

What is CVE-2020-6843?: CVE-2020-6843 is a medium-severity vulnerability in Zohocorp Manageengine Servicedesk Plus, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-01-23.
How severe is CVE-2020-6843?: Medium severity. CVSS v3 base score is 4.8 out of 10.