CVE-2023-40696 — IBM Cognos Controller 10

IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 264939.

01What is this vulnerability?

IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 264939.

02Affected products

Vendor	Product	Versions
IBM	Cognos Controller	10.4.1, 10.4.2, 11.0.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-05-03T17:34:30.280Z
• Last modified: 2024-08-02T18:38:51.060Z

09References

• www.ibm.com — https://www.ibm.com/support/pages/node/7149876
• exchange.xforce.ibmcloud.com — https://exchange.xforce.ibmcloud.com/vulnerabilities/264939