CVE-2014-4877
CVE-2014-4877 is a critical-severity vulnerability in Gnu Wget with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 40% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 40% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Gnu Wget
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2014-4877?
- 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.
- How severe is CVE-2014-4877?
- CVE-2014-4877 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2014-4877 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 40% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2014-4877?
- CVE-2014-4877 primarily affects Gnu Wget. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2014-4877?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2014-4877 published?
- CVE-2014-4877 was published on 2014-10-29 and last updated on 2026-06-17.
References
- http://advisories.mageia.org/MGASA-2014-0431.html
- http://git.savannah.gnu.org/cgit/wget.git/commit/?id=18b0979357ed7dc4e11d4f2b1d7e0f5932d82aa7
- http://git.savannah.gnu.org/cgit/wget.git/commit/?id=b4440d96cf8173d68ecaa07c36b8f4316ee794d0
- http://lists.gnu.org/archive/html/bug-wget/2014-10/msg00150.html
- http://lists.opensuse.org/opensuse-security-announce/2014-11/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2014-11/msg00009.html
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00026.html
- http://rhn.redhat.com/errata/RHSA-2014-1764.html
- http://rhn.redhat.com/errata/RHSA-2014-1955.html
- http://security.gentoo.org/glsa/glsa-201411-05.xml
- http://www.debian.org/security/2014/dsa-3062
- http://www.kb.cert.org/vuls/id/685996
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:121
- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- http://www.securityfocus.com/bid/70751
- http://www.ubuntu.com/usn/USN-2393-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1139181
- https://community.rapid7.com/community/metasploit/blog/2014/10/28/r7-2014-15-gnu-wget-ftp-symlink-arbitrary-filesystem-access
- https://github.com/rapid7/metasploit-framework/pull/4088
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05376917
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
- https://kc.mcafee.com/corporate/index?page=content&id=SB10106
Affected products (8)
- cpe:2.3:a:gnu:wget:*:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.12:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.13:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.13.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.13.2:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.13.3:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.13.4:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:wget:1.14:*:*:*:*:*:*:*
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