Vulnerability in Filezilla-project Filezilla_client
CVE-2024-31497
In PuTTY 0.68 through 0.80 before 0.81, biased ECDSA nonce generation allows an attacker to recover a user's NIST P-521 secret key via a quick attack in approximately 60 signatures. This is especially important in a scenario where an adver…
EPSS: 0.058 (92.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Filezilla-project Filezilla_client
- Putty
- Tigris Tortoisesvn
- Tortoisegit
- Winscp
- Fedoraproject Fedora — versions 38, 39, 40
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Release Notes, Vendor Advisory)
- cve@mitre.org (Release Notes)
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (Mailing List, Third Party Advisory)
- cve@mitre.org (Product)
- cve@mitre.org (Product)
- cve@mitre.org (Issue Tracking)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2024-31497?
- CVE-2024-31497 is a medium-severity vulnerability in Filezilla-project Filezilla_client, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 5.9/10. Published 2024-04-15.
- How severe is CVE-2024-31497?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2024-31497 known to be exploited?
- 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.