CVE-2021-45470
CVSS v3
7.5
HIGH
EPSS Score
1.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-12-23
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.
Is CVE-2021-45470 actively exploited?
Active exploitation of CVE-2021-45470 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-45470?
CVE-2021-45470 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-45470 affecting your environment?
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