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CVE-2021-31879 GNU Wget

Affected softwareGNU Wget
Severity6.1 Medium CVSS 3.1 2 scores
WeaknessCWE-601
Published29 Apr 2021
Updated8 Oct 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 5 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 1.1% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review automated Upstream data
  • Record active
Decided by The only affected product being a sealed appliance image, where Java runs but no -javaagent can be attached
Finding This CVE names only products the Waratek agent cannot be installed into (netapp/cloud_backup). They ship as sealed appliance images or as native code with no application JVM, so there is no start-up line to add -javaagent to. The vulnerability may well be a Java one; it is permanently out of ARMR's reach rather than outside its subject.

CVSS

6.1 MEDIUM v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 6.1 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N NVD Primary published
CVSS 2.0 5.8 none AV:N/AC:M/Au:N/C:P/I:P/A:N NVD Primary

Affected software and releases

Products and versions

6 products, 6 version entries
SourceVendorProductSchemeAffected versions
nvd broadcom brocade fabric operating system firmware generic any version
nvd gnu wget generic ≤ 1.21.1
nvd netapp 500f firmware generic any version
nvd netapp a250 firmware generic any version
nvd netapp cloud backup generic any version
nvd netapp ontap select deploy administration utility generic any version

References

URLTags
https://mail.gnu.org/archive/html/bug-wget/2021-02/msg00002.html Mailing List, Vendor Advisory
https://security.netapp.com/advisory/ntap-20210618-0002/ Third Party Advisory

Timeline

Published2021-04-29By the CVE Program.
NVD record modified2026-10-08NVD's own last-modified date for this record.