CVE-2021-31879

mediumpriority · track · 24EPSS 0.011 · 66 %ileDEEUFRUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.10% (66th) EPSS

CVSS 5.8 · medium

Is it mine?

11 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 4.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-601USprimary

affected products (11)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Open Source wget <=1.21.1all versionscert_bundDE
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Open Source wget≤ 1.21.1cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
broadcom brocade fabric operating system firmwareall versionsnvdUScpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:*:*:*:*:*:*:*:*
gnu wget≤ 1.21.1nvdUScpe:2.3:a:gnu:wget:*:*:*:*:*:*:*:*
netapp 500f firmwareall versionsnvdUScpe:2.3:o:netapp:500f_firmware:*:*:*:*:*:*:*:*
netapp a250 firmwareall versionsnvdUScpe:2.3:o:netapp:a250_firmware:*:*:*:*:*:*:*:*
netapp cloud backupall versionsnvdUScpe:2.3:a:netapp:cloud_backup:*:*:*:*:*:*:*:*
netapp ontap select deploy administration utilityall versionsnvdUScpe:2.3:a:netapp:ontap_select_deploy_administration_utility:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-1575wget: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2021-04-28csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in wget ausnutzen, um Informationen offenzulegen.
CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd certfr NVD CVE.org MITRE

published 2021-04-29modified 2026-10-08

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When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 returned a redirect to a directory (e.g. redirecting to '/foo/' when the…

+2006 more

references (8)

External citations — patches, advisories, analysis.

scry

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