GNU wget before 1.18 allows remote servers to write to arbitrary files by redirecting a…
Priority HIGH 68Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 4 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
GNU wget before 1.18 allows remote servers to write to arbitrary files by redirecting a request from HTTP to a crafted FTP resource.
Why it matters now
EPSS 0.4606 98th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by the CNA and NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 4 fixed, 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:wget:*:*:*:*:*:*:*:* | before 1.18 | Vulnerable | GNU |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* | 15.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:* | 10 | Vulnerable | Oracle |
| cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* | 11.3 | Vulnerable | Oracle |
| cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* | 6.1.0 – 6.1.16; 7.0.0 – 7.0.14; 7.1.0 – 7.1.9 | Vulnerable | CyberArk Software, a Palo Alto Networks Company |
- cpe:2.3:a:gnu:wget:*:*:*:*:*:*:*:* Versions before 1.18 Vulnerable ·GNU
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Versions 15.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·Oracle
- cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·Oracle
- cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* Versions 6.1.0 – 6.1.16; 7.0.0 – 7.0.14; 7.1.0 – 7.1.9 Vulnerable ·CyberArk Software, a Palo Alto Networks Company
Remediation
Red Hat 1 advisory
- RHSA-2016:2587 Released 2016-11-03 · Red Hat rating Moderatewget security and bug fix update
- Red Hat Enterprise Linux Client (v. 7) wget-1.14-13.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) wget-1.14-13.el7
- Red Hat Enterprise Linux Server (v. 7) wget-1.14-13.el7
- Red Hat Enterprise Linux Workstation (v. 7) wget-1.14-13.el7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2016:2587 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2016:2587 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2016:2587 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2016:2587 |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4971
- 2026-10-03 Alias added: GHSA-5w8p-rj9f-xvj7
References
Exploit 3
Patch 2
Sources
- CVE-2016-4971 · CVE Program
- CVE-2016-4971 · NVD
- FIRST EPSS
- GHSA-5w8p-rj9f-xvj7 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-4971 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences