Is CVE-2021-35032 in the CISA KEV catalog?

No. CVE-2021-35032 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-35032?

CVE-2021-35032 has a CVSS v3 base score of 6.4 (MEDIUM).

What is the EPSS score for CVE-2021-35032?

CVE-2021-35032 has an EPSS score of 0.21% (12th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-35032?

Upgrade gs1900-10hp firmware to 2.70(aazi.0)-20211208 or later. Fixes are available for 12 affected products.

CVE & CISA-KEV Catalog

CVE-2021-35032

MEDIUM

6.4

CVSS v3

NVD

Description

A vulnerability in the 'libsal.so' of the Zyxel GS1900 series firmware version 2.60 could allow an authenticated local user to execute arbitrary OS commands via a crafted function call.

CWE-78OS Command Injection

How to fix

Remediation Available

gs1900-10hp firmwareNVD

Affected:< 2.70(aazi.0)-20211208Fixed in:2.70(aazi.0)-20211208CVE-2021-35032derived from NVD

gs1900-16 firmwareNVD

Affected:< 2.70(aahj.0)-20211208Fixed in:2.70(aahj.0)-20211208CVE-2021-35032derived from NVD

gs1900-24 firmwareNVD

Affected:< 2.70(aahl.0)-20211208Fixed in:2.70(aahl.0)-20211208CVE-2021-35032derived from NVD

gs1900-24e firmwareNVD

Affected:< 2.70(aahk.0)-20211208Fixed in:2.70(aahk.0)-20211208CVE-2021-35032derived from NVD

gs1900-24ep firmwareNVD

Affected:< 2.70(abto.0)-20211208Fixed in:2.70(abto.0)-20211208CVE-2021-35032derived from NVD

gs1900-24hp firmwareNVD

Affected:< 2.70(aahm.0)-20211208Fixed in:2.70(aahm.0)-20211208CVE-2021-35032derived from NVD

gs1900-24hpv2 firmwareNVD

Affected:< 2.70(aatp.0)-20211208Fixed in:2.70(aatp.0)-20211208CVE-2021-35032derived from NVD

gs1900-48 firmwareNVD

Affected:< 2.70(aahn.0)-20211208Fixed in:2.70(aahn.0)-20211208CVE-2021-35032derived from NVD

gs1900-48hp firmwareNVD

Affected:< 2.70(aaho.0)-20211208Fixed in:2.70(aaho.0)-20211208CVE-2021-35032derived from NVD

gs1900-48hpv2 firmwareNVD

Affected:< 2.70(abtq.0)-20211208Fixed in:2.70(abtq.0)-20211208CVE-2021-35032derived from NVD

gs1900-8 firmwareNVD

Affected:< 2.70(aahh.0)-20211208Fixed in:2.70(aahh.0)-20211208CVE-2021-35032derived from NVD

gs1900-8hp firmwareNVD

Affected:< 2.70(aahi.0)-20211208Fixed in:2.70(aahi.0)-20211208CVE-2021-35032derived 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 ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Patch1

zyxel.com

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	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.