Is CVE-2015-6460 in the CISA KEV catalog?

No. CVE-2015-6460 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-6460?

CVE-2015-6460 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2015-6460?

CVE-2015-6460 has an EPSS score of 6.21% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-6460?

Upgrade codesys gateway server to 2.3.9.34 or later.

CVE & CISA-KEV Catalog

CVE-2015-6460

HIGHEPSS 93th pctl

7.5

CVSS v2

NVD

Description

Multiple heap-based buffer overflows in 3S-Smart CODESYS Gateway Server before 2.3.9.34 allow remote attackers to execute arbitrary code via opcode (1) 0x3ef or (2) 0x3f0.

CWE-119Buffer Overflow

How to fix

Remediation Available

codesys gateway serverNVD

Affected:< 2.3.9.34Fixed in:2.3.9.34CVE-2015-6460derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

6.21%probability of exploitation in 30 days

93rdpercentile

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

References

Third-Party Advisory3

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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 2026-05-06.