Is CVE-2021-27191 in the CISA KEV catalog?

No. CVE-2021-27191 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27191?

CVE-2021-27191 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-27191?

CVE-2021-27191 has an EPSS score of 2.03% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-27191?

Upgrade get-ip-range to 4.0.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-27191

HIGHEPSS 79th pctl

7.5

CVSS v3

NVD

Description

The get-ip-range package before 4.0.0 for Node.js is vulnerable to denial of service (DoS) if the range is untrusted input. An attacker could send a large range (such as 128.0.0.0/1) that causes resource exhaustion.

How to fix

Remediation Available

get-ip-rangeNVD

Affected:< 4.0.0Fixed in:4.0.0CVE-2021-27191derived 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

2.03%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Patch1

github.com

Exploit1

advisory.checkmarx.net

Third-Party Advisory2

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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.