synced JUST NOW
01 Record

CVE-2021-22284

SECURITY - OPC Server for AC 800M - Remote Code Execution Vulnerability

HighPUBLISHEDCNA: ABB
CNA base score8.4 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

02 Description

SECURITY - OPC Server for AC 800M - Remote Code Execution Vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.83% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 57.1% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-02-04 22:29Z4 YR AGO
Last updated
2024-09-16 19:56Z2 YR AGO
Reserved
2021-01-05
Assigning CNA
ABB
Record state
PUBLISHED
Severity
High (CVSS 8.4)
CNA CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weaknesses
  • CWE-732Incorrect Permission Assignment for Critical ResourceClass
Data version
5.1
Document digest
eb4bf8fa1bea42706772e9041147b2bf0934f4415041e6492032217db4864582

05 Affected products

VendorProductVersionsPlatforms
ABB800xA, Control Software for AC 800M OPC Server for AC 800M<= 5.1.0-x, <= 5.1.1-x, 6.0.0-1, 6.0.0-2, 6.0.0-3—

06 References

07 Remediation

Customers on version 5.1 or older are recommended to upgrade to a supported version that is not affected by this issue such as version 6.1 or later.