CVE-2020-27265: ge industrial_gateway_server Stack-based Buffer Overflow
Vulnerability summary
CVE-2020-27265 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in ge industrial_gateway_server. EPSS estimates a 10.49% chance of exploitation in the next 30 days, higher than 95.7% of scored vulnerabilities.
Timeline
- 13-01-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
KEPServerEX: v6.0 to v6.9, ThingWorx Kepware Server: v6.8 and v6.9, ThingWorx Industrial Connectivity: All versions, OPC-Aggregator: All versions, Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server: v7.68.804 and v7.66, Software Toolbox TOP Server: All 6.x versions are vulnerable to a stack-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and remotely execute code.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
10.49%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
+0.43 pp
From 10.06% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Ptc4 products
Ge1 product
- industrial_gateway_server7.66 | 7.68.804
Rockwellautomation1 product
- kepserver_enterprise6.6.504.0 | 6.9.572.0
Softwaretoolbox1 product
- top_server≥ 6.0, ≤ 6.9
4 vendors · 7 products
References
1 links
us-cert.cisa.gov/ics/advisories/icsa-20-352-02X Refsource MISCThird Party AdvisoryUS Government Resource