CVE-2021-42847

CRITICALNVD 9.89.8—Weaponized

9.8

Zoho ManageEngine ADAudit Plus before 7006 allows attackers to write to, and execute, arbitrary files.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 99.3%
KEV: Not listed

Published

November 11, 2021

Last Modified

November 21, 2024

References (4)

cve@mitrehttp://packetstormsecurity.com/files/172258/ManageEngine-ADAudit-Plus-Remote-Code-Execution.html
cve@mitrehttps://pitstop.manageengine.com/portal/en/community/topic/fix-released-for-a-vulnerability-in-manageengine-adaudit-plus
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/172258/ManageEngine-ADAudit-Plus-Remote-Code-Execution.html
af854a3a-2127-422b-91ae-364da2661108https://pitstop.manageengine.com/portal/en/community/topic/fix-released-for-a-vulnerability-in-manageengine-adaudit-plus

Data Freshness Timeline

(refreshed 7× in last 7d / 15× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-26 07:40 UTCEG score recompute
2026-05-26 07:40 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Metasploit module). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Metasploitexploit/windows/http/manageengine_adaudit_plus_authenticated_rce✓ verified
First seen Oct 1, 2021
ManageEngine ADAudit Plus Authenticated File Write RCE
Open source ↗

Frequently asked(5)

What is CVE-2021-42847?

CVE-2021-42847 is a critical vulnerability published on November 11, 2021. Zoho ManageEngine ADAudit Plus before 7006 allows attackers to write to, and execute, arbitrary files.

When was CVE-2021-42847 disclosed?

CVE-2021-42847 was first published in the National Vulnerability Database on November 11, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-42847 actively exploited?

CVE-2021-42847 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-42847?

CVE-2021-42847 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-42847?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-42847, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-42847

📅 Published

🔄 Last Modified

🔗 References (4)