7.5
HIGH
CVE-2021-3803
nth-check Regular Expression Complexity Weakness
Description

nth-check is vulnerable to Inefficient Regular Expression Complexity

INFO

Published Date :

Sept. 17, 2021, 7:15 a.m.

Last Modified :

July 10, 2023, 6:52 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-3803 has a 3 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-2021-3803 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 Debian debian_linux
1 Nth-check_project nth-check
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-2021-3803.

URL Resource
https://github.com/fb55/nth-check/commit/9894c1d2010870c351f66c6f6efcf656e26bb726 Patch Third Party Advisory
https://huntr.dev/bounties/8cf8cc06-d2cf-4b4e-b42c-99fafb0b04d0 Exploit Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00023.html Mailing List 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).

A centralized repository of standalone security patches for open source libraries.

appsec backport cve devsecops fix hotfix open-source patch protection remediation seal security update upgrade vulnerability

Updated: 3 months, 1 week ago
182 stars 0 fork 0 watcher
Born at : July 30, 2023, 4:46 p.m. This repo has been linked 265 different CVEs too.

A service to connect people who require snow shoveling assistance with those willing to give it.

Dockerfile Go HTML CSS JavaScript Shell

Updated: 1 year, 10 months ago
0 stars 0 fork 0 watcher
Born at : Nov. 26, 2022, 1:45 a.m. This repo has been linked 19 different CVEs too.

None

JavaScript Vue TypeScript SCSS CSS

Updated: 2 years, 11 months ago
0 stars 0 fork 0 watcher
Born at : May 2, 2021, 4:50 p.m. This repo has been linked 22 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-2021-3803 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3803 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]

    Jul. 10, 2023

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/05/msg00023.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/05/msg00023.html Mailing List, Third Party Advisory
    Removed CWE NIST NVD-CWE-Other
    Added CWE NIST CWE-1333
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 22, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/05/msg00023.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Jul. 29, 2022

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

    May. 12, 2022

    Action Type Old Value New Value
    Added CWE huntr.dev CWE-1333
  • Initial Analysis by [email protected]

    Sep. 28, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/fb55/nth-check/commit/9894c1d2010870c351f66c6f6efcf656e26bb726 No Types Assigned https://github.com/fb55/nth-check/commit/9894c1d2010870c351f66c6f6efcf656e26bb726 Patch, Third Party Advisory
    Changed Reference Type https://huntr.dev/bounties/8cf8cc06-d2cf-4b4e-b42c-99fafb0b04d0 No Types Assigned https://huntr.dev/bounties/8cf8cc06-d2cf-4b4e-b42c-99fafb0b04d0 Exploit, Issue Tracking, Patch, Third Party Advisory
    Added CWE NIST NVD-CWE-Other
    Added CPE Configuration OR *cpe:2.3:a:nth-check_project:nth-check:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.1
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-2021-3803 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-2021-3803 weaknesses.

Exploit Prediction

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

0.38 }} 0.11%

score

0.73274

percentile

CVSS31 - Vulnerability Scoring System
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