Vulnerability in Gnu Inetutils
CVE-2021-40491
The ftp client in GNU Inetutils before 2.2 does not validate addresses returned by PASV/LSPV responses to make sure they match the server address. This is similar to CVE-2020-8284 for curl.
EPSS: 0.010 (59.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Gnu Inetutils
- Debian Debian_linux — versions 10.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Patch, Vendor Advisory)
- cve@mitre.org (Mailing List, Vendor Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-40491?
- CVE-2021-40491 is a medium-severity vulnerability in Gnu Inetutils, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.5/10. Published 2021-09-03.
- How severe is CVE-2021-40491?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-40491 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.