Vulnerability in Ua-parser-js_project Ua-parser-js
CVE-2021-27292
ua-parser-js >= 0.7.14, fixed in 0.7.24, uses a regular expression which is vulnerable to denial of service. If an attacker sends a malicious User-Agent header, ua-parser-js will get stuck processing it for an extended period of time.
EPSS: 0.034 (87.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Ua-parser-js_project Ua-parser-js
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-27292?
- CVE-2021-27292 is a high-severity vulnerability in Ua-parser-js_project Ua-parser-js. CVSS score: 7.5/10. Published 2021-03-17.
- How severe is CVE-2021-27292?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-27292 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.