What is CVE-2021-3287?

CVE-2021-3287 is a critical-severity vulnerability in Zohocorp Manageengine_opmanager, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-04-22.

How severe is CVE-2021-3287?

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

Is CVE-2021-3287 known to be exploited?

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

Deserialization in Zohocorp Manageengine_opmanager

CVE-2021-3287

Zoho ManageEngine OpManager before 12.5.329 allows unauthenticated Remote Code Execution due to a general bypass in the deserialization class.

Vulnerability class: Insecure Deserialization

EPSS: 0.513 (98.8th percentile) — read the EPSS interpretation.

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.

Affected products

Zohocorp Manageengine_opmanager — versions 12.5
N/a — versions n/a

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-3287?: CVE-2021-3287 is a critical-severity vulnerability in Zohocorp Manageengine_opmanager, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-04-22.
How severe is CVE-2021-3287?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-3287 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.