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Common Services Platform Collector CVE-2021-1538

HIGH
OS Command Injection (CWE-78)
2021-06-04 psirt@cisco.com
7.2
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could execute arbitrary operating system commands on the host by sending crafted requests to the affected application.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.8% exploitation probability (EPSS)

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AnalysisAI

A vulnerability in the configuration dashboard of Cisco Common Services Platform Collector (CSPC) could allow an authenticated, remote attacker to execute arbitrary code. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. 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. Affected products include: Cisco Common Services Platform Collector.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.2 HIGH
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score
1.8%
Top 24% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 1.8%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:a:cisco:common_services_platform_collector:*:*:*:*:*:*:*:*
CVE-2021-44228 CRITICAL POC
10.0 Dec 10

Apache Log4j2 contains a critical JNDI injection vulnerability known as 'Log4Shell' that allows unauthenticated remote c

CVE-2019-1723 CRITICAL
9.8 Mar 13

A vulnerability in the Cisco Common Services Platform Collector (CSPC) could allow an unauthenticated, remote attacker t

CVE-2022-20674 MEDIUM
6.1 May 27

Multiple vulnerabilities in the web-based management interface of Cisco Common Services Platform Collector (CSPC) Softwa

CVE-2022-20673 MEDIUM
6.1 May 27

Multiple vulnerabilities in the web-based management interface of Cisco Common Services Platform Collector (CSPC) Softwa

CVE-2022-20672 MEDIUM
6.1 May 27

Multiple vulnerabilities in the web-based management interface of Cisco Common Services Platform Collector (CSPC) Softwa

CVE-2022-20671 MEDIUM
6.1 May 27

Multiple vulnerabilities in the web-based management interface of Cisco Common Services Platform Collector (CSPC) Softwa

CVE-2022-20670 MEDIUM
6.1 May 27

Multiple vulnerabilities in the web-based management interface of Cisco Common Services Platform Collector (CSPC) Softwa

CVE-2022-20669 MEDIUM
6.1 May 27

Multiple vulnerabilities in the web-based management interface of Cisco Common Services Platform Collector (CSPC) Softwa

CVE-2022-20668 MEDIUM
6.1 May 27

Multiple vulnerabilities in the web-based management interface of Cisco Common Services Platform Collector (CSPC) Softwa

CVE-2022-20667 MEDIUM
6.1 May 27

Multiple vulnerabilities in the web-based management interface of Cisco Common Services Platform Collector (CSPC) Softwa

CVE-2022-20666 MEDIUM
6.1 May 27

Multiple vulnerabilities in the web-based management interface of Cisco Common Services Platform Collector (CSPC) Softwa

CVE-2021-40131 MEDIUM
5.4 Nov 19

A vulnerability in the web-based management interface of Cisco Common Services Platform Collector (CSPC) could allow an

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