SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-43308

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the markdown-link-extractor npm package, when an attacker is able to supply arbitrary input to the module's exported function

HIGH 7.5EPSS 1.08%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the markdown-link-extractor npm package, when an attacker is able to supply arbitrary input to the module's exported function

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.08% probability · 63th percentile
CISA KEV
Not listed
Weakness
CWE-1333
Affected
markdown-link-extractor project/markdown-link-extractor
Source
reefs@jfrog.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.