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Vulnerability record · CVE-2021-31879 · published 29 April 2021

CVE-2021-31879: Gnu wget open redirect vulnerability

Gnu · Wget

GNU Wget through 1.21.1 does not omit the Authorization header upon a redirect to a different origin, a related issue to CVE-2018-1000007.

6.1 CVSS 3.1 Medium EPSS 1.1% · top 35.4% CWE-601 · Open redirect
6.1CVSS 3.1 base score, v2 5.8
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

GNU Wget through 1.21.1 does not omit the Authorization header upon a redirect to a different origin, a related issue to CVE-2018-1000007.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2021-31879 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-31879), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.