HOMEVULNERABILITIESCVE-2020-7485
CRITICAL

CVE-2020-7485

NVD-CWE-noinfoPublished: April 16, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

**VERSION NOT SUPPORTED WHEN ASSIGNED** A legacy support account in the TriStation software version v4.9.0 and earlier could cause improper access to the TriStation host machine. This was addressed in TriStation version v4.9.1 and v4.10.1 released on May 30, 2013.1

NVD Source

Technical Analysis

CVE-2020-7485 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Microsoft3 product(s)
windows 7windows ntwindows xp
schneider-electric1 product(s)
tristation 1131
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://us-cert.cisa.gov/ics/advisories/icsa-20-205-01
ADVISORYhttps://www.se.com/ww/en/download/document/SESB-2020-105-01
ADVISORYhttps://us-cert.cisa.gov/ics/advisories/icsa-20-205-01
ADVISORYhttps://www.se.com/ww/en/download/document/SESB-2020-105-01

All References (4)

→
https://us-cert.cisa.gov/ics/advisories/icsa-20-205-01Third Party Advisory · US Government Resource
→
https://www.se.com/ww/en/download/document/SESB-2020-105-01Vendor Advisory
→
https://us-cert.cisa.gov/ics/advisories/icsa-20-205-01Third Party Advisory · US Government Resource
→
https://www.se.com/ww/en/download/document/SESB-2020-105-01Vendor Advisory

Quick Facts

CVE IDCVE-2020-7485
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected2 vendor(s)
PublishedApr 16, 2020

Related CVEs (NVD-CWE-noinfo)

CVE-2009-1314
10.0
CVE-2014-2624
10.0
CVE-2021-35652
10.0
CVE-2021-41873
10.0
CVE-2019-25136
10.0
CVE-2008-4619
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-7485 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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