Denial of service in IBM Cloud Automation Manager

Published: 2022-09-05
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-34558
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
IBM Cloud Automation Manager
Server applications / Other server solutions

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Certificate Validation

EUVDB-ID: #VU55665

Risk: Medium


CVE-ID: CVE-2021-34558

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: Yes


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper certificate verification in crypto/tls package in Go when processing X.509 certificates. The application does not properly assert that the type of public key in an X.509 certificate matches the expected type when doing a RSA based key exchange, allowing a malicious TLS server to cause a TLS client to panic.


Install update from vendor's website.

Vulnerable software versions

IBM Cloud Automation Manager:

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?