CVE-2014-4877

critical
Published 2014-10-29 ยท Modified 2026-05-06
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
10.0

Description

Absolute path traversal vulnerability in GNU Wget before 1.16, when recursion is enabled, allows remote FTP servers to write to arbitrary files, and consequently execute arbitrary code, via a LIST response that references the same filename within two entries, one of which indicates that the filename is for a symlink.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

GNU Wget FTP Symlink Arbitrary Filesystem Access
Source fetch failed: fetch_error โ€” view the original via the link above.

OS impact

suse SUSE Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 1.16-1
sid Fixed 1.16-1
forky Fixed 1.16-1
bullseye Fixed 1.16-1
bookworm Fixed 1.16-1

Application impact

VendorProductVersionsFixed
gnuwget{"endIncluding":"1.15"}
gnuwget1.12
gnuwget1.13
gnuwget1.13.1
gnuwget1.13.2
gnuwget1.13.3
gnuwget1.13.4
gnuwget1.14

References

CWEs

CWE-22

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.