HOMEVULNERABILITIESCVE-2020-12033
HIGH

CVE-2020-12033

CWE-20Published: June 23, 2020· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

In Rockwell Automation FactoryTalk Services Platform, all versions, the redundancy host service (RdcyHost.exe) does not validate supplied identifiers, which could allow an unauthenticated, adjacent attacker to execute remote COM objects with elevated privileges.

NVD Source

Technical Analysis

CVE-2020-12033 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

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 8.8.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

rockwellautomation1 product(s)
factorytalk services platform
Source: NVD CPE · 1 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://www.us-cert.gov/ics/advisories/icsa-20-170-04
ADVISORYhttps://www.us-cert.gov/ics/advisories/icsa-20-170-04

All References (2)

→
https://www.us-cert.gov/ics/advisories/icsa-20-170-04Third Party Advisory · US Government Resource
→
https://www.us-cert.gov/ics/advisories/icsa-20-170-04Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2020-12033
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
Affected1 vendor(s)
PublishedJun 23, 2020

Related CVEs (CWE-20)

CVE-2008-1331
10.0
CVE-2008-6826
10.0
CVE-2023-41917
10.0
CVE-2024-22476
10.0
CVE-2007-6494
10.0
CVE-2007-6176
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-12033 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.COM. CVE data is provided under the NVD usage policy.
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