Is CVE-2021-25158 in the CISA KEV catalog?

No. CVE-2021-25158 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-25158?

CVE-2021-25158 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2021-25158?

CVE-2021-25158 has an EPSS score of 28.53% (98th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-25158?

Upgrade instant to 8.7.1.2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-25158

MEDIUMEPSS 98th pctl

5.9

CVSS v3

NVD

Description

A remote arbitrary file read vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.7 and below; Aruba Instant 8.7.x: 8.7.1.1 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.

CWE-362Race Condition

How to fix

Remediation Available

instantNVD

Affected:>= 8.7.0.0, < 8.7.1.2Fixed in:8.7.1.2CVE-2021-25158derived from NVD

scalance w1750d firmwareNVD

Affected:>= 8.7.0, < 8.7.1.3Fixed in:8.7.1.3CVE-2021-25158derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

28.53%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

Patch1

cert-portal.siemens.com

Exploit1

packetstormsecurity.com

Vendor Advisory1

arubanetworks.com

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	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.