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TI-2023-16730 Aliases CVE-2023-33855GHSA-wwrv-f6v4-m66r

IBM Common Cryptographic Architecture information disclosure

Priority LOW 18CWE-385Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Under certain conditions, RSA operations performed by IBM Common Cryptographic Architecture (CCA) 7.0.0 through 7.5.36 may exhibit non-constant-time behavior. This could allow a remote attacker to obtain sensitive information using a timing-based attack. IBM X-Force ID: 257676.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00452 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMCommon Cryptographic Architecture7.0.0 – 7.5.36—No fix listedCNA
  • Common Cryptographic Architecture VendorIBM Affected 7.0.0 – 7.5.36 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:ibm:common_cryptographic_architecture:*:*:*:*:*:*:*:*7.0.0 to before 7.5.37VulnerableIBM
cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*not specified by NVDRunning onIBM
cpe:2.3:o:ibm:i:-:*:*:*:*:*:*:*not specified by NVDRunning onIBM
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*not specified by NVDRunning onLinux
  • cpe:2.3:a:ibm:common_cryptographic_architecture:*:*:*:*:*:*:*:* Versions 7.0.0 to before 7.5.37 Vulnerable ·IBM
  • cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IBM
  • cpe:2.3:o:ibm:i:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IBM
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    IBM Common Cryptographic Architecture — ibm.com/support/pages/node/7145168

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2023-25482 IBM Common Cryptographic Architecture denial of servicePriority MEDIUM 40
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-33855
  2. 2026-10-03 Alias added: GHSA-wwrv-f6v4-m66r

References

Advisory 1

  • TI-2023-25482 IBM Common Cryptographic Architecture denial of service CVSS 3.1HIGH 7.5
  • TI-2024-33276 IBM Common Cryptographic Architecture denial of service CVSS 3.1MEDIUM 6.5
  • TI-2024-14921 IBM Common Cryptographic Architecture information disclosure CVSS 3.1MEDIUM 6.5
  • TI-2022-06723 Improper input validation in IBM CCA for MTM 4767 CVSS 3.1MEDIUM 5.5
  • TI-2024-27810 IBM Common Cryptographic Architecture information disclosure CVSS 3.1LOW 3.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences