CVE-2021-45470 is a regular expression injection vulnerability in lib/DatabaseLayer.py of cve-search versions prior to 4.1.0. This flaw, rated High severity (CVSS 7.5), allows unauthenticated attackers to trigger a Regular Expression Denial of Service (ReDoS) by sending specially crafted input, leading to service unavailability. While no public exploits, Metasploit modules, or community discussions have been observed, the vulnerability is easily exploitable over the network with low attack complexity.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.1.0CPE matchmatch criteria | cpe:2.3:a:circl:cve-search:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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