Is CVE-2020-4465 in the CISA KEV catalog?

No. CVE-2020-4465 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-4465?

CVE-2020-4465 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-4465?

CVE-2020-4465 has an EPSS score of 1.91% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-4465?

Upgrade mq appliance to 8.0.0.15 or later.

CVE & CISA-KEV Catalog

CVE-2020-4465

MEDIUMEPSS 77th pctl

6.5

CVSS v3

NVD

Description

IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is vulnerable to a buffer overflow vulnerability due to an error within the channel processing code. A remote attacker could overflow the buffer using an older client and cause a denial of service. IBM X-Force ID: 181562.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

mq applianceNVD

Affected:>= 8.0, < 8.0.0.15Fixed in:8.0.0.15CVE-2020-4465derived from NVD

Affected:>= 9.1.0.0, < 9.1.0.6Fixed in:9.1.0.6CVE-2020-4465derived from NVD

Affected:>= 9.1.0.0, < 9.2.0.0Fixed in:9.2.0.0CVE-2020-4465derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.91%probability of exploitation in 30 days

77thpercentile

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

References

Patch1

ibm.com

Vendor Advisory1

exchange.xforce.ibmcloud.com

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.