Medium severity · published Feb 28, 2023
CVE-2021-22283
Improper Initialization vulnerability in ABB Relion protection relays - 611 series, ABB Relion protection relays - 615 series IEC 4.0 FP1, ABB Relion protection relays - 615…
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
Improper Initialization vulnerability in ABB Relion protection relays - 611 series, ABB Relion protection relays - 615 series IEC 4.0 FP1, ABB Relion protection relays - 615 series CN 4.0 FP1, ABB Relion protection relays - 615 series IEC 5.0, ABB Relion protection relays - 615 series IEC 5.0 FP1, ABB Relion protection relays - 620 series IEC/CN 2.0, ABB Relion protection relays - 620 series IEC/CN 2.0 FP1, ABB Relion protection relays - REX640 PCL1, ABB Relion protection relays - REX640 PCL2, ABB Relion protection relays - REX640 PCL3, ABB Relion protection relays - RER615, ABB Remote Monitoring and Control - REC615, ABB Merging Unit- SMU615 allows Communication Channel Manipulation.This issue affects Relion protection relays - 611 series: from 1.0.0 before 2.0.3; Relion protection relays - 615 series IEC 4.0 FP1: from 4.1.0 before 4.1.9; Relion protection relays - 615 series CN 4.0 FP1: from 4.1.0 before 4.1.8; Relion protection relays - 615 series IEC 5.0: from 5.0.0 before 5.0.12; Relion protection relays - 615 series IEC 5.0 FP1: from 5.1.0 before 5.1.20; Relion protection relays - 620 series IEC/CN 2.0: from 2.0.0 before 2.0.11; Relion protection relays - 620 series IEC/CN 2.0 FP1: from 2.1.0 before 2.1.15; Relion protection relays - REX640 PCL1: from 1.0.0 before 1.0.8; Relion protection relays - REX640 PCL2: from 1.1.0 before 1.1.4; Relion protection relays - REX640 PCL3: from 1.2.0 before 1.2.1; Relion protection relays - RER615: from 2.0.0 before 2.0.3; Remote Monitoring and Control - REC615: from 1.0.0 before 2.0.3; Merging Unit- SMU615: from 1.0.0 before 1.0.2.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EF
Evd4 Firmware · Abb
All versions, or not specified · source: NVD
RF
Rec615 Firmware · Abb
before 2.0.3 · source: NVD
RI
Red615 Iec Firmware · Abb
All versions, or not specified · source: NVD
RA
Ref615 Ansi Firmware · Abb
All versions, or not specified · source: NVD
RI
Ref615 Iec Firmware · Abb
All versions, or not specified · source: NVD
RF
Ref615r Firmware · Abb
All versions, or not specified · source: NVD
R6
Relion 611 Firmware · Abb
before 2.0.3 · source: NVD
R6
Relion 615 Ansi Firmware · Abb
All versions, or not specified · source: NVD
R6
Relion 615 CN Firmware · Abb
before 4.1.8 · source: NVD
R6
Relion 615 Iec Firmware · Abb
before 4.1.9; before 5.0.12; before 5.1.20 · source: NVD
R6
Relion 620 Ansi Firmware · Abb
All versions, or not specified · source: NVD
R6
Relion 620 CN Firmware · Abb
before 2.0.11; before 2.1.15 · source: NVD