How severe is CVE-2023-31099?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2023-31099 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Zohocorp Manageengine Opmanager

CVE-2023-31099

Zoho ManageEngine OPManager through 126323 allows an authenticated user to achieve remote code execution via probe servers.

Published 2023-05-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.816 (99.6th percentile), scored 2026-10-17.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.816 · newest: 0.816 · change: 0.000

Affected products

Zohocorp Manageengine Opmanager — versions 12.6

Public proof-of-concept exploits

tanjiti/sec_

References

manageengine.com (Product)
www.manageengine.com/network-monitoring/security-updates/cve-2023-31099.html (Vendor Advisory)

Frequently asked questions

What is CVE-2023-31099?: CVE-2023-31099 is a high-severity vulnerability in Zohocorp Manageengine Opmanager. CVSS score: 8.8/10. Published 2023-05-04.
How severe is CVE-2023-31099?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2023-31099 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.