---
title: "CVE-2021-20080: ManageEngine ServiceDesk Plus vulnerability | CubePath"
description: "Insufficient output sanitization in ManageEngine ServiceDesk Plus before version 11200 and ManageEngine AssetExplorer before version 6800…"
language: en
source: https://cubepath.com/security/cve/CVE-2021-20080
---

# CVE-2021-20080: ManageEngine ServiceDesk Plus vulnerability | CubePath

## 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.

Official description from the CVE record, published by tenable. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2021-20080)

## Key data

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.93108 (93.1% probability)

Percentile

99.8%

Scores of

Nov 10, 2026

Model

v2026.06.15

## Affected products

Products listed in the CVE record, as the CNA published them.

- ManageEngine ServiceDesk Plus

  - affected: Before 11200
- ManageEngine AssetExplorer

  - affected: Before 6800

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [tenable.com/security/research/tra-2021-11](https://www.tenable.com/security/research/tra-2021-11)

## Timeline

1. ID reserved Dec 17, 2020
2. Record published Apr 9, 2021
3. Record last updated Aug 3, 2024

## Look up another CVE

## About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

[Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection)

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:04 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)