CVE-2021-45470
HIGHCVSS 7.5/10EPSS 1.87%
Last modified
CVE-2021-45470 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.87% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Circl | Cve-Search | < 4.1.0 |
References
- https://github.com/cve-search/cve-search/commit/c621f9f0693a728b93ff3b964f948a1d25917207Patch, Third Party Advisory
- https://github.com/cve-search/cve-search/compare/v4.0...v4.1.0Third Party Advisory
- https://github.com/cve-search/cve-search/pull/629Exploit, Patch, Third Party Advisory
- https://github.com/cve-search/cve-search/commit/c621f9f0693a728b93ff3b964f948a1d25917207Patch, Third Party Advisory
- https://github.com/cve-search/cve-search/compare/v4.0...v4.1.0Third Party Advisory
- https://github.com/cve-search/cve-search/pull/629Exploit, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-45470?
CVE-2021-45470 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.87% probability of exploitation in the next 30 days.
How do I fix CVE-2021-45470?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2021-45470?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST