CVE-2021-40539 · netVigilance record NV21-0284

Zoho ManageEngine ADSelfService Plus Authentication Bypass

past due ransomware

What to do

Apply updates per vendor instructions.

CISA deadline 2021-11-17 · passed 4 years 9 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

Zoho ManageEngine ADSelfService Plus contains an authentication bypass vulnerability affecting the REST API URLs which allow for remote code execution.

Who is affected

Zoho ManageEngine. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-55.

Timeline

2021-11-03
Added to CISA KEVExploitation in the wild confirmed by CISA
2021-11-17
CISA remediation deadlinepassed 4 years 9 months ago

Sources

NVD entry for CVE-2021-40539 nvd.nist.gov/vuln/detail/CVE-2021-40539
CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-40539