Is CVE-2021-1538 in the CISA KEV catalog?

No. CVE-2021-1538 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-1538?

CVE-2021-1538 has a CVSS v3 base score of 4.7 (MEDIUM).

What is the EPSS score for CVE-2021-1538?

CVE-2021-1538 has an EPSS score of 1.81% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-1538?

Upgrade common services platform collector to 2.9.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-1538

MEDIUMEPSS 76th pctl

4.7

CVSS v3

NVD

Description

A vulnerability in the configuration dashboard of Cisco Common Services Platform Collector (CSPC) could allow an authenticated, remote attacker to execute arbitrary code. This vulnerability is due to insufficient sanitization of configuration entries. An attacker could exploit this vulnerability by logging in as a super admin and entering crafted input to configuration options on the CSPC configuration dashboard. A successful exploit could allow the attacker to execute remote code as root.

CWE-78OS Command Injection

How to fix

Remediation Available

common services platform collectorNVD

Affected:< 2.9.1Fixed in:2.9.1CVE-2021-1538derived 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

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

1.81%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Vendor Advisory1

tools.cisco.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.