Is CVE-2021-42954 in the CISA KEV catalog?

No. CVE-2021-42954 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-42954?

CVE-2021-42954 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-42954?

CVE-2021-42954 has an EPSS score of 0.38% (30th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-42954?

Upgrade manageengine remote access plus to 10.1.2121.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-42954

HIGH

7.8

CVSS v3

NVD

Description

Zoho Remote Access Plus Server Windows Desktop Binary fixed from 10.1.2121.1 is affected by incorrect access control. The installation directory is vulnerable to weak file permissions by allowing full control for Windows Everyone user group (non-admin or any guest users), thereby allowing privilege escalation, unauthorized password reset, stealing of sensitive data, access to credentials in plaintext, access to registry values, tampering with configuration files, etc.

CWE-732Incorrect Permission Assignment for Critical Resource

How to fix

Remediation Available

manageengine remote access plusNVD

Affected:< 10.1.2121.1Fixed in:10.1.2121.1CVE-2021-42954derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.38%probability of exploitation in 30 days

30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Exploit1

medium.com

Related Vulnerabilities

Other CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2011-3923	Critical	9.8	89%	-	Fix
CVE-2018-15379	Critical	9.8	86%	-	-
CVE-2018-1000207	High	7.2	64%	-	-
CVE-2023-32986	High	8.8	63%	-	-
CVE-2021-44521	Critical	9.1	55%	-	Fix
CVE-2018-13374	Medium	4.3	38%	KEV + Ransom	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.