Quantum Secular Labs / Blog / Advisories

CVE-2022-35405: Zoho ManageEngine Multiple Products Remote Code Execution Vulnerability

CVE-2022-35405 is rated critical with a CVSS v3.1 base score of 9.8 and affects Zoho ManageEngine. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available. CISA added it to its Known Exploited Vulnerabilities catalog on 2022-09-22, which means exploitation in the wild has been observed.

Vulnerability description

Zoho ManageEngine Password Manager Pro before 12101 and PAM360 before 5510 are vulnerable to unauthenticated remote code execution. (This also affects ManageEngine Access Manager Plus before 4303 with authentication.)

Severity breakdown

CVSS v3.1 9.8: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-502: Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected products

  • Zohocorp Manageengine Access Manager Plus: before 4.3; 4.3 build4300; 4.3 build4301; 4.3 build4302
  • Zohocorp Manageengine Pam360: before 5.5; 5.5 build5500
  • Zohocorp Manageengine Password Manager Pro: before 12.1; 12.1 build12100

References