No exploitation reported

CVE-2020-12033

No exploitation reported by the sources we read.

Published2020-06-23
WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2020-06-2322:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-12033?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-12033?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Rockwellautomation factorytalk services platform

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-20-170-04 CISA1 known affected
Rockwell Automation FactoryTalk Services Platform
Factorytalk Services Platform: All versions

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-20-170-04 · 1 productAffected users are encouraged to use Rockwell Automation Knowledgebase article 25612 to determine if FactoryTalk Services Platform is installed. Those using the affected product are directed to implement a secure communication strategy as outlined in Rockwell Automation Knowledgebase article 109056.
Mitigation from the vendor CISA ICSA-20-170-04 · 1 productFor more information please see Rockwell Automation Knowledgebase article 1126946

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.05.8read 2026-10-23
CNAweakness (CWE)CWE-20read 2026-10-23
NVDweakness (CWE)CWE-20read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2020-06-23
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-12033?

Is CVE-2020-12033 actively exploited?

Active exploitation of CVE-2020-12033 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-12033?

CVE-2020-12033 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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