KEV Entry

CVE-2021-40539

Known Exploited Vulnerability Entry KEVIntel

Back to Catalog View Vulnerability
Entry Details
Confirmed Exploited

CVE-2021-40539

2021-11-03 00:00 UTC

Timestamps

2021-11-03

2021-11-03

Scope

KEVIntel entry: Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution. | Affected: Zoho / ManageEngine ADSelfService Plus | CVSS: 9.8 (CRITICAL) | EPSS: 0.9896 | Used in malware: yes | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2021-40539', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-40539'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/CVE-2021-40539'}

f96f6fa3-0101-4d03-8df8-153c4c226421

KEVIntel
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 14:04 UTC

2026-07-10 06:14 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel confirmed_compromise 0.70
View details 
{
  "added_date": "2021-11-03T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.99924,
  "epss_score": 0.9896,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "ManageEngine ADSelfService Plus",
  "title": "Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution.",
  "used_in_malware": "yes",
  "vendor": "Zoho"
}
 -
Export Options
JSON Object JSON API View Full Catalog