Is CVE-2024-45971 in the CISA KEV catalog?

No. CVE-2024-45971 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-45971?

CVE-2024-45971 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2024-45971?

CVE-2024-45971 has an EPSS score of 0.60% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-45971?

Upgrade libiec61850 to 1.6.0 or later.

CVE & CISA-KEV Catalog

CVE-2024-45971

CRITICAL

9.8

CVSS v3

NVD

Description

Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit 1f52be9ddeae00e69cd43e4cac3cb4f0c880c4f0 allow a malicious server to cause a stack-based buffer overflow via the MMS IdentifyResponse message.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

libiec61850NVD

Affected:< 1.6.0Fixed in:1.6.0CVE-2024-45971derived 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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.60%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

encs.eu

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 2025-10-01.