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CVE-2020-27267

Published: Jan 13, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-416
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
4.9%
Top 9.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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, and Software Toolbox TOP Server all 6.x versions, are vulnerable to a heap-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and potentially leak data.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416CWE-787

Affected Products

PTC Kepware KEPServerEXn/a
ThingWorx Kepware Servern/a
ThingWorx Industrial Connectivityn/a
OPC-Aggregatorn/a
Rockwell Automation KEPServer Enterprisen/a
and 14 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02
us-cert.cisa.gov
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2020/icsa-20-352-02.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-20-352-02
cisa.gov
and 9 more references View all →

Timeline

Published
Jan 13, 2021
Last Updated
Nov 21, 2024

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