SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-5177

A Stack Buffer Overflow issue was discovered in VIPA Controls WinPLC7 5.0.45.5921 and prior.

EXPLOITHIGH 7.5EPSS 17.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 17.7%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
17.71% probability · 97th percentile
Public exploits
1 in Exploit-DB · first 13 September 2017
CISA KEV
Not listed
Weakness
CWE-121, CWE-119
Affected
vipa controls/winplc7 firmware
Source
ics-cert@hq.dhs.gov
EPSS trend
0%10%20%21 September 2026: 14.43%22 September 2026: 17.71%27 October 2026: 17.71%21 September 202627 October 2026

EPSS moved from 14.4% on 21 September 2026 to 17.7% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-42693source ↗Viap Automation WinPLC7 5.0.45.5921 - Recv Buffer Overflow (Metasploit)windows · James Fittsremote13 September 2017no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.