What is CVE-2021-28959?

CVE-2021-28959 is a critical-severity vulnerability in Zohocorp Manageengine Eventlog Analyzer, classified under Path Traversal. CVSS score: 9.8/10. Published 2021-04-30.

How severe is CVE-2021-28959?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Path Traversal in Zohocorp Manageengine Eventlog Analyzer

CVE-2021-28959

Zoho ManageEngine Eventlog Analyzer through 12147 is vulnerable to unauthenticated directory traversal via an entry in a ZIP archive. This leads to remote code execution.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2021-04-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.169 (97.0th percentile), scored 2026-10-20.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.169 · newest: 0.169 · change: 0.000

Affected products

Zohocorp Manageengine Eventlog Analyzer — versions 12.1.4

Weakness classification (CWE)

CWE-22 — Path Traversal

References

www.manageengine.com (Vendor Advisory)
www.manageengine.com/products/eventlog/features-new.html (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-28959?: CVE-2021-28959 is a critical-severity vulnerability in Zohocorp Manageengine Eventlog Analyzer, classified under Path Traversal. CVSS score: 9.8/10. Published 2021-04-30.
How severe is CVE-2021-28959?: Critical severity. CVSS v3 base score is 9.8 out of 10.