OCTOBER 2, 2026
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Case File

CVE-2020-28653

CRITICAL · CVSS 9.8 EPSS 78.70% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-03 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 78.7% probability of exploitation in the next 30 days. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution
External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-28653
Severity
CRITICAL
CVSS
9.8
EPSS
78.70%

Original NVD Description

Zoho ManageEngine OpManager Stable build before 125203 (and Released build before 125233) allows Remote Code Execution via the Smart Update Manager (SUM) servlet.

Related CVEs

Other vulnerabilities affecting the same vendor(s)