Is CVE-2021-22793 in the CISA KEV catalog?

No. CVE-2021-22793 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22793?

CVE-2021-22793 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2021-22793?

CVE-2021-22793 has an EPSS score of 0.96% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22793?

Upgrade accusine pcsn active harmonic filter firmware to 002.002.004 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-22793

HIGH

7.2

CVSS v3

NVD

Description

A CWE-200: Exposure of Sensitive Information to an Unauthorized Actor vulnerability exist in AccuSine PCS+ / PFV+ (Versions prior to V1.6.7) and AccuSine PCSn (Versions prior to V2.2.4) that could allow an authenticated attacker to access the device via FTP protocol.

CWE-200Information Exposure

How to fix

Remediation Available

accusine pcsn active harmonic filter firmwareNVD

Affected:< 002.002.004Fixed in:002.002.004CVE-2021-22793derived from NVD

accusine pcsp pfvp firmwareNVD

Affected:< 001.006.007Fixed in:001.006.007CVE-2021-22793derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.96%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Patch1

download.schneider-electric.com

Other references1

download.schneider-electric.com

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	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.