PT-2021-19561 · Gnu+3 · Gnu Wget+3

Dolev Farhi · Published 2021-04-29 · Updated 2026-04-08 · CVE-2021-31879

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: GNU Wget versions prior to 1.21.2

Description: The issue arises when GNU Wget does not omit the Authorization header upon a redirect to a different origin.

Recommendations: For GNU Wget versions prior to 1.21.2, update to version 1.21.2 or later to resolve the issue.

Fix

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

ALT-PU-2021-2773

ALT-PU-2022-2459

ALT-PU-2023-5673

AZL-6957

CVE-2021-31879

ECHO-2133-91A9-17D6

OPENSUSE-SU-2025_0425-1

SUSE-SU-2025:0366-1

SUSE-SU-2025:0380-1

SUSE-SU-2025:0425-1

SUSE-SU-2025_0380-1

SUSE-SU-2025_0425-1

Affected Products

Alt Linux

Debian

Gnu Wget

Suse

References · 26

• https://nvd.nist.gov/vuln/detail/CVE-2021-31879 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:0425-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:0380-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-31879 · Vendor Advisory
• https://mail.gnu.org/archive/html/bug-wget/2021-02/msg00002.html · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-31879 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2021-31879 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-31879 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-6957 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2021-31879 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-31879 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-31879 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2021-31879 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:0366-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-31879 · Vendor Advisory