IBM Common Cryptographic Architecture 7.0.0 through 7.5.51 could allow a remote attacker to obtain sensitive information during the creation of ECDSA signatures to perform a timing-based attack.
Conclusion & alert: CVE-2024-22340 is rated Low Risk (34.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.08%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-19 | 0.15% | 0.08% | -0.07% |
| 2 | 2026-04-18 | 0.06% | 0.15% | +0.09% |
| 3 | 2025-10-01 | — | 0.06% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ibm | common_cryptographic_architecture | >= 7.0.0, < 7.5.52 | cpe:2.3:a:ibm:common_cryptographic_architecture:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7185282 | Vendor Advisory |