6.1
MEDIUM
CVE-2021-31879
Wget Authorization Header Redirection Vulnerability
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.

INFO

Published Date :

April 29, 2021, 5:15 a.m.

Last Modified :

May 13, 2022, 8:52 p.m.

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2021-31879 has a 7 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-31879 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netapp ontap_select_deploy_administration_utility
2 Netapp cloud_backup
3 Netapp a250_firmware
4 Netapp 500f_firmware
1 Gnu wget
1 Broadcom brocade_fabric_operating_system_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-31879.

URL Resource
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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Dockerfile Shell

Updated: 3 weeks, 1 day ago
0 stars 0 fork 0 watcher
Born at : Oct. 30, 2024, 10:41 p.m. This repo has been linked 31 different CVEs too.

Ubuntu container with GMT timezone, GB locale and additional tools preinstalled.

Dockerfile Shell

Updated: 2 years, 1 month ago
0 stars 0 fork 0 watcher
Born at : Oct. 13, 2022, 12:30 p.m. This repo has been linked 14 different CVEs too.

Map Vulnerabilities into Different Layers of the Container Image

Python

Updated: 1 year, 10 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 5, 2022, 12:07 p.m. This repo has been linked 1276 different CVEs too.

Toolkit for k8s administrators/developers.

Dockerfile Shell

Updated: 2 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : July 10, 2022, 10:30 p.m. This repo has been linked 33 different CVEs too.

None

Updated: 2 years, 11 months ago
0 stars 0 fork 0 watcher
Born at : Dec. 16, 2021, 8:16 p.m. This repo has been linked 24 different CVEs too.

KCC

Dockerfile Python HCL

Updated: 3 years, 2 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 8, 2021, 6:46 a.m. This repo has been linked 3 different CVEs too.

demo stuff

Dockerfile Rust Shell HCL

Updated: 3 years, 4 months ago
0 stars 0 fork 0 watcher
Born at : July 18, 2021, 8:20 p.m. This repo has been linked 19 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-31879 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-31879 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    May. 13, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210618-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20210618-0002/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:a250_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:a250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:500f_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:500f:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 18, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210618-0002/ [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 06, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://mail.gnu.org/archive/html/bug-wget/2021-02/msg00002.html No Types Assigned https://mail.gnu.org/archive/html/bug-wget/2021-02/msg00002.html Mailing List, Vendor Advisory
    Added CWE NIST CWE-601
    Added CPE Configuration OR *cpe:2.3:a:gnu:wget:*:*:*:*:*:*:*:* versions up to (including) 1.21.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-31879 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-31879 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.08 }} 0.00%

score

0.35125

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability