Vulnerability in Circl Cve-Search
CVE-2021-45470
lib/DatabaseLayer.py in cve-search before 4.1.0 allows regular expression injection, which can lead to ReDoS (regular expression denial of service) or other impacts.
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: 0.019 (78.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/cve-search/cve-search/pull/629 (Exploit, Patch, Third Party Advisory)
- github.com/cve-search/cve-search/commit/c621f9f0693a728b93ff3b964f948a1d25917207 (Patch, Third Party Advisory)
- github.com/cve-search/cve-search/compare/v4.0...v4.1.0 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-45470?
- CVE-2021-45470 is a high-severity vulnerability in Circl Cve-Search, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2021-12-23.
- How severe is CVE-2021-45470?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-45470 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.