Secret Key Recovery of NIST P-521 Private Keys through biased ECDSA nonces in PuTTY client — CVE-2024-31497
Date
Source
BSI
BSI
Threat
critical
critical
CVSS
10
10
Summary
Advisory CVE-2024-31497. Secret Key Recovery of NIST P-521 Private Keys through biased ECDSA nonces in PuTTY client Source: BSI. Threat: critical. CVSS 10. See the official advisory for details.
What to do
General, cautious steps (verify details in the official source):
- Prioritize patching or mitigation immediately (treat as actively risky).
- Identify affected product versions in your inventory and verify whether you are impacted.
- Apply vendor patches/updates or recommended mitigations as soon as available.
- Read the official advisory for exact affected versions and remediation steps.