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Vulnerability Intelligence

CVE-2021-20080

Medium

Insufficient output sanitization in ManageEngine ServiceDesk Plus before version 11200 and ManageEngine AssetExplorer before version 6800 allows a remote, unauthenticated attacker to conduct persistent cross-site scripting (XSS) attacks by uploading a crafted XML asset file.

Published Apr 9, 2021 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2021-20080 is a medium-severity vulnerability (CVSS 6.1 v3.1) affecting ManageEngine ServiceDesk Plus (Zohocorp), ManageEngine AssetExplorer.
  • It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
  • EPSS estimates a 93% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

6.1

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

EPSS (30-day exploit likelihood)

93%

Higher than 99.8% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

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Description

Insufficient output sanitization in ManageEngine ServiceDesk Plus before version 11200 and ManageEngine AssetExplorer before version 6800 allows a remote, unauthenticated attacker to conduct persistent cross-site scripting (XSS) attacks by uploading a crafted XML asset file.

Affected Products

278 affected entries in total
ProductAffected versionsFixed in
ManageEngine ServiceDesk PlusZohocorp10.0, 10.0.0, 10.0.0-10000, 10.0.0-10001, 10.0.0-10002, 10.0.0-10003, 10.0.0-10004, 10.0.0-10005n/a
ManageEngine AssetExplorer>= Before 6800n/a

Timeline

  1. Publicly disclosed

    Apr 9, 2021

  2. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

FAQ

Common Questions.

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