Is CVE-2021-22283 in the CISA KEV catalog?

No. CVE-2021-22283 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22283?

CVE-2021-22283 has a CVSS v3 base score of 6.2 (MEDIUM).

What is the EPSS score for CVE-2021-22283?

CVE-2021-22283 has an EPSS score of 0.17% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22283?

Upgrade rec615 firmware to 2.0.3 or later. Fixes are available for 11 affected products.

CVE & CISA-KEV Catalog

CVE-2021-22283

MEDIUM

6.2

CVSS v3

NVD

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.

CWE-665

How to fix

Remediation Available

rec615 firmwareNVD

Affected:< 2.0.3Fixed in:2.0.3CVE-2021-22283derived from NVD

relion 611 firmwareNVD

Affected:< 2.0.3Fixed in:2.0.3CVE-2021-22283derived from NVD

relion 615 cn firmwareNVD

Affected:< 4.1.8Fixed in:4.1.8CVE-2021-22283derived from NVD

relion 615 iec firmwareNVD

Affected:< 5.1.20Fixed in:5.1.20CVE-2021-22283derived from NVD

relion 620 cn firmwareNVD

Affected:< 2.1.15Fixed in:2.1.15CVE-2021-22283derived from NVD

relion 620 iec firmwareNVD

Affected:< 2.1.15Fixed in:2.1.15CVE-2021-22283derived from NVD

rer615 firmwareNVD

Affected:< 2.0.3Fixed in:2.0.3CVE-2021-22283derived from NVD

rex640 pcl1 firmwareNVD

Affected:< 1.0.8Fixed in:1.0.8CVE-2021-22283derived from NVD

rex640 pcl2 firmwareNVD

Affected:< 1.1.4Fixed in:1.1.4CVE-2021-22283derived from NVD

rex640 pcl3 firmwareNVD

Affected:< 1.2.1Fixed in:1.2.1CVE-2021-22283derived from NVD

smu615 firmwareNVD

Affected:< 1.0.2Fixed in:1.0.2CVE-2021-22283derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.17%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Vendor Advisory1

search.abb.com

Related Vulnerabilities

Other CWE-665 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-0847	High	7.8	88%	KEV	Fix
CVE-2022-22719	High	7.5	70%	-	Fix
CVE-2020-28019	High	7.5	61%	-	Fix
CVE-2022-46164	Critical	9.4	49%	-	Fix
CVE-2022-37128	Critical	9.8	21%	-	-
CVE-2019-14271	Critical	9.8	19%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.