SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-27462

A deserialization vulnerability exists in how the AosService.rem service in Rockwell Automation FactoryTalk AssetCentre v10.00 and earlier verifies serialized data.

CRITICAL 9.8EPSS 3.83%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.83%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.83% probability · 89th percentile
CISA KEV
Not listed
Weakness
CWE-502
Affected
rockwellautomation/factorytalk assetcentre
Source
ics-cert@hq.dhs.gov

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.