High severity · published Apr 1, 2022
CVE-2021-22277
AC 800M MMS - Denial of Service vulnerability in MMS communication
7.5
CVSS
0.9%
EPSS
No
On KEV
Description
Improper Input Validation vulnerability in ABB 800xA, Control Software for AC 800M, Control Builder Safe, Compact Product Suite - Control and I/O, ABB Base Software for SoftControl allows an attacker to cause the denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
8C
800xA, Control Software for AC 800M · ABB
5.1.0-0 before unspecified; through 5.1.0-3; 5.1.1-0 before unspecified; through 5.1.1-4; 6.0.0-0 before unspecified; through 6.0.0-3; +2 more · source: vendor
AB
ABB Base Software for SoftControl · ABB
5.1.0-0 before unspecified; through 5.1.0-3; 5.1.1-0 before unspecified; through 5.1.1-4; 6.0.0-0 before unspecified; through 6.0.0-3; +2 more · source: vendor
CP
Compact Product Suite - Control and I/O · ABB
5.1.0-0 before unspecified; through 5.1.0-3; 5.1.1-0 before unspecified; through 5.1.1-4; 6.0.0-0 before unspecified; through 6.0.0-3; +2 more · source: vendor
CB
Control Builder Safe · ABB
1.x; 2.0; 3.0 · source: vendor, NVD
80
800xa · Abb
5.1.0-0 through 5.1.0-3; 5.1.1-0 through 5.1.1-4; 6.0.0-0 before 6.0.0-4; 6.1.0-0 before 6.1.1-2 · source: NVD
BS
Base Software · Abb
5.1.0-0 through 5.1.0-3; 5.1.1-0 through 5.1.1-4; 6.0.0-0 through 6.0.0-3; 6.1.0-0 through 6.1.1-1 · source: NVD
CP
Compact Product Suite · Abb
5.1.0-0 through 5.1.0-3; 5.1.1-0 through 5.1.1-4; 6.0.0-0 through 6.0.0-3; 6.1.0-0 through 6.1.1-1 · source: NVD
Affected product
8C
800xA, Control Software for AC 800M
ABB