Is CVE-2021-38135 actively exploited?

No active exploitation of CVE-2021-38135 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-38135 be exploited remotely?

Yes. CVE-2021-38135 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-38135?

CVE-2021-38135 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-38135

CRITICAL

CVE-2021-38135

CWE-406Published: November 22, 2024· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Possible

External Service Interaction attack

in iManager has been discovered in

OpenText™ iManager 3.2.6.0000.

NVD Source

Risk Analysis

OpenText iManager is susceptible to an external service interaction attack, which can be triggered remotely by an unauthenticated attacker. This critical vulnerability is rated 9.8 on the CVSS scale.

No public exploit is known, and it is not included in the CISA KEV. The vulnerability is remotely exploitable.

Recommended Action

Apply the latest available security patches for iManager.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-38135 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.