What is CVE-2021-3801?

CVE-2021-3801 is a medium-severity vulnerability in Prismjs Prism, classified under Inefficient Regular Expression Complexity. CVSS score: 6.5/10. Published 2021-09-15.

How severe is CVE-2021-3801?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Prismjs Prism

CVE-2021-3801

prism is vulnerable to Inefficient Regular Expression Complexity

Vulnerability class: ReDoS (Regular Expression Denial of Service)

EPSS: 0.010 (60.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Prismjs Prism
Prismjs Prismjs/prism — versions unspecified

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

References

security@huntr.dev (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory, Issue Tracking)
security@huntr.dev (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-3801?: CVE-2021-3801 is a medium-severity vulnerability in Prismjs Prism, classified under Inefficient Regular Expression Complexity. CVSS score: 6.5/10. Published 2021-09-15.
How severe is CVE-2021-3801?: Medium severity. CVSS v3 base score is 6.5 out of 10.