ansi-regex incorrect regex

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in ansi-regex. This affects an unknown part. The manipulation leads to incorrect regex. This vulnerability is referenced as CVE-2021-3807. Remote exploitation of the attack is possible. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ansi-regex (affected version unknown). This issue affects an unknown functionality. The manipulation with an unknown input leads to a incorrect regex vulnerability. Using CWE to declare the problem leads to CWE-185. The product specifies a regular expression in a way that causes data to be improperly matched or compared. Impacted is availability.

The weakness was published 09/17/2021 as 8d1d7cdb586269882c4bdc1b7325d0c58c8f76f9. It is possible to read the advisory at huntr.dev. The identification of this vulnerability is CVE-2021-3807 since 09/16/2021. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 236651 (Alibaba Cloud Linux 3 : 0014: nodejs:14 (ALINUX3-SA-2022:0014)), which helps to determine the existence of the flaw in a target environment.

Applying the patch 8d1d7cdb586269882c4bdc1b7325d0c58c8f76f9 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the databases at Tenable (236651) and CERT Bund (WID-SEC-2026-0177). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Atlassian Jira
  • Dell Data Protection Advisor
  • Atlassian Bamboo
  • Atlassian Bitbucket
  • Atlassian Confluence

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (huntr.dev): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Incorrect regex
CWE: CWE-185 / CWE-697
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236651
Nessus Name: Alibaba Cloud Linux 3 : 0014: nodejs:14 (ALINUX3-SA-2022:0014)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 8d1d7cdb586269882c4bdc1b7325d0c58c8f76f9

Timelineinfo

09/16/2021 🔍
09/17/2021 +1 days 🔍
09/17/2021 +0 days 🔍
03/18/2026 +1643 days 🔍

Sourcesinfo

Advisory: 8d1d7cdb586269882c4bdc1b7325d0c58c8f76f9
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3807 (🔍)
GCVE (CVE): GCVE-0-2021-3807
GCVE (VulDB): GCVE-100-182855
CERT Bund: WID-SEC-2026-0177 - Atlassian Bamboo, Bitbucket, Confluence und Jira: Mehrere Schwachstellen

Entryinfo

Created: 09/17/2021 12:53
Updated: 03/18/2026 19:29
Changes: 09/17/2021 12:53 (48), 09/22/2021 14:09 (2), 05/18/2025 20:54 (20), 03/18/2026 19:29 (8)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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