Is CVE-2017-5177 in the CISA KEV catalog?

No. CVE-2017-5177 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-5177?

CVE-2017-5177 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-5177?

CVE-2017-5177 has an EPSS score of 17.71% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2017-5177

HIGHEPSS 97th pctl

7.5

CVSS v3

NVD

Description

A Stack Buffer Overflow issue was discovered in VIPA Controls WinPLC7 5.0.45.5921 and prior. A stack-based buffer overflow vulnerability has been identified, where an attacker with a specially crafted packet could overflow the fixed length buffer. This could allow remote code execution.

CWE-121 CWE-119Buffer Overflow

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

17.71%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

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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 2026-05-13.