Is CVE-2021-45470 in the CISA KEV catalog?

No. CVE-2021-45470 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-45470?

CVE-2021-45470 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-45470?

CVE-2021-45470 has an EPSS score of 1.87% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-45470?

Upgrade cve-search to 4.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-45470

HIGHEPSS 77th pctl

7.5

CVSS v3

NVD

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.

CWE-1333

How to fix

Remediation Available

cve-searchNVD

Affected:< 4.1.0Fixed in:4.1.0CVE-2021-45470derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.87%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Patch2

Third-Party Advisory1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.