10

CVE-2021-27462: rockwell automation factorytalk® assetcentre Deserialization of Untrusted Data

CVSS: 10.0v3.1CriticalModified
Published 23-03-2022Last modified 16-04-2025
Open JSON

Vulnerability summary

CVE-2021-27462 is a critical (CVSS 10.0) Deserialization of Untrusted Data vulnerability in rockwell automation factorytalk® assetcentre. EPSS estimates a 3.83% chance of exploitation in the next 30 days, higher than 89.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
Critical · v3.1 (CVE.org)
EPSS score
3.83%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-03-2022
    PublishedVulnerability first disclosed.
  2. 16-04-2025
    Last modifiedVulnerability information updated.

Description

A deserialization vulnerability exists in how the AosService.rem service in Rockwell Automation FactoryTalk AssetCentre v10.00 and earlier verifies serialized data. This vulnerability may allow a remote, unauthenticated attacker to execute arbitrary commands in FactoryTalk AssetCentre.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.83%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

0.00 pp

From 3.83% on 20-09-2026

20-09-202620-10-2026
EPSS score
3.83%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Rockwell automation1 product
Rockwellautomation1 product

2 vendors · 2 products

References

2 links