synced JUST NOW
01 Record

CVE-2021-22277

AC 800M MMS - Denial of Service vulnerability in MMS communication

HighPUBLISHEDCNA: ABB
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

02 Description

AC 800M MMS - Denial of Service vulnerability in MMS communication

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
0.94% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 60.7% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
2022-04-01 22:17Z4 YR AGO
Last updated
2024-09-17 01:41Z2 YR AGO
Reserved
2021-01-05
Assigning CNA
ABB
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
0fa4c61af8787672268c0b09715892932e6843635910c4de45410b904ce631fd

05 Affected products

VendorProductVersionsPlatforms
ABB800xA, Control Software for AC 800M5.1.0-0 to < unspecified, <= 5.1.0-3, 5.1.1-0 to < unspecified, <= 5.1.1-4, 6.0.0-0 to < unspecified, <= 6.0.0-3, 6.1.0-0 to < unspecified, <= 6.1.1-1—
ABBControl Builder Safe1.x, 2.0, 3.0—
ABBCompact Product Suite - Control and I/O5.1.0-0 to < unspecified, <= 5.1.0-3, 5.1.1-0 to < unspecified, <= 5.1.1-4, 6.0.0-0 to < unspecified, <= 6.0.0-3, 6.1.0-0 to < unspecified, <= 6.1.1-1—
ABBABB Base Software for SoftControl5.1.0-0 to < unspecified, <= 5.1.0-3, 5.1.1-0 to < unspecified, <= 5.1.1-4, 6.0.0-0 to < unspecified, <= 6.0.0-3, 6.1.0-0 to < unspecified, <= 6.1.1-1—

06 References