CVE-2021-40491
MEDIUM
6.5
CVSS Score
Published: September 3, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 04:07 AM UTC
2 products affected across 2 vendorsDebian LinuxInetutils
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Severity
MEDIUM6.5
Exploit prediction
EPSS 1.0%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
Third Party Advisory
Source: [email protected]
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/11/msg00033.htmlMailing ListVendor Advisory
Source: [email protected]
https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-345
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