Is CVE-2021-39157 in the CISA KEV catalog?

No. CVE-2021-39157 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-39157?

CVE-2021-39157 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-39157?

CVE-2021-39157 has an EPSS score of 2.07% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-39157?

Upgrade detect-character-encoding to 0.7.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-39157

HIGHEPSS 79th pctl

7.5

CVSS v3

NVD

Description

detect-character-encoding is an open source character encoding inspection library. In detect-character-encoding v0.6.0 and earlier, data matching no charset causes the Node.js process to crash. The problem has been patched in detect-character-encoding v0.7.0. No workaround are available and all users should update to resolve this issue.

CWE-755

How to fix

Remediation Available

detect-character-encodingNVD

Affected:< 0.7.0Fixed in:0.7.0CVE-2021-39157derived 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

2.07%probability of exploitation in 30 days

79thpercentile

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

References

Patch1

github.com

Exploit2

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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.