Is CVE-2021-43082 in the CISA KEV catalog?

No. CVE-2021-43082 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-43082?

CVE-2021-43082 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-43082?

CVE-2021-43082 has an EPSS score of 2.33% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-43082?

Upgrade trafficserver on debian 12 to 9.1.1+ds-1 or later.

CVE & CISA-KEV Catalog

CVE-2021-43082

CRITICALEPSS 81th pctl

9.8

CVSS v3

NVD

Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the stats-over-http plugin of Apache Traffic Server allows an attacker to overwrite memory. This issue affects Apache Traffic Server 9.1.0.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

trafficserverDebian

Fixed in:9.1.1+ds-1CVE-2021-43082

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.33%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch1

lists.apache.org

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	Fix

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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.