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)
EPSS: 0.019 (77.2th 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
- Circl Cve-search
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
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.