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CVE-2020-25177

22
FAUCET Score

CVE-2020-25177 is a stack-based buffer overflow vulnerability in WECON PLC Editor versions 1.3.8 and prior, which could allow for arbitrary code execution. This high-severity vulnerability (CVSS 8.8) can be exploited remotely with low attack complexity, requiring user interaction, and has a high impact on confidentiality, integrity, and availability. While no public exploits or Metasploit modules are available, and there is minimal community discussion or media coverage, its potential for arbitrary code execution makes it a significant risk.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.3.8CPE matchmatch criteria
cpe:2.3:a:we-con:plc_editor:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.75%
Probability of exploitation in next 30 days
EPSS Percentile
75.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0175 is in the 74th percentile among its peer group of 14,875 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

us-cert.cisa.gov / ics/advisories/icsa-20-310-01
Third Party AdvisoryUS Government Resource