CVE & CISA-KEV Catalog

CVE-2021-38153

MEDIUMEPSS 93th pctl
5.9
CVSS v3
NVD

Description

Some components in Apache Kafka use `Arrays.equals` to validate a password or key, which is vulnerable to timing attacks that make brute force attacks for such credentials more likely to be successful. Users should upgrade to 2.8.1 or higher, or 3.0.0 or higher where this vulnerability has been fixed. The affected versions include Apache Kafka 2.0.0, 2.0.1, 2.1.0, 2.1.1, 2.2.0, 2.2.1, 2.2.2, 2.3.0, 2.3.1, 2.4.0, 2.4.1, 2.5.0, 2.5.1, 2.6.0, 2.6.1, 2.6.2, 2.7.0, 2.7.1, and 2.8.0.

How to fix

Remediation Available
communications brm - elastic charging engineNVD
Affected:< 12.0.0.4.6Fixed in:12.0.0.4.6CVE-2021-38153derived from NVD
kafkaNVD
Affected:>= 2.7.0, < 2.7.2Fixed in:2.7.2CVE-2021-38153derived from NVD
quarkusNVD
Affected:< 2.2.4Fixed in:2.2.4CVE-2021-38153derived from NVD

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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 ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

6.25%probability of exploitation in 30 days
93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Related Vulnerabilities

Other CWE-203 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2017-5753Medium5.694%-Fix
CVE-2003-0190Medium5.077%-Fix
CVE-2017-5715Medium5.674%-Fix
CVE-2018-3639Medium5.561%-Fix
CVE-2023-28770High7.558%-Fix
CVE-2004-1602Medium5.031%--
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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.