Vulnerability in 3rd-Eden Useragent
CVE-2020-26311
Useragent is a user agent parser for Node.js. All versions as of time of publication contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no patches are available.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (41.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- 3rd-Eden Useragent — versions 0
- Useragent Project
Weakness classification (CWE)
Public proof-of-concept exploits
References
- securitylab.github.com/advisories/GHSL-2020-312-redos-useragent/ (Exploit, Third Party Advisory)
- github.com/3rd-Eden/useragent/issues/167 (Issue Tracking)
Frequently asked questions
- What is CVE-2020-26311?
- CVE-2020-26311 is a high-severity vulnerability in 3rd-Eden Useragent, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2024-10-26.
- How severe is CVE-2020-26311?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-26311 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.