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Hosted Collaboration Solution CVE-2019-1911

HIGH
DEPRECATED: Containment Errors (Container Errors) (CWE-216)
2019-07-06 psirt@cisco.com
7.8
CVSS 3.0 · NVD
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Vulnerability Assessment

Weakness
CWE
Impact

CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

A vulnerability in the CLI of Cisco Unified Communications Domain Manager (Cisco Unified CDM) Software could allow an authenticated, local attacker to escape the restricted shell. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-216. A vulnerability in the CLI of Cisco Unified Communications Domain Manager (Cisco Unified CDM) Software could allow an authenticated, local attacker to escape the restricted shell. The vulnerability is due to insufficient input validation of shell commands. An attacker could exploit this vulnerability by executing crafted commands in the shell. A successful exploit could allow the attacker to escape the restricted shell and access commands in the context of the restricted shell user, which does not have root privileges. Affected products include: Cisco Hosted Collaboration Solution.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionNVD

A vulnerability in the CLI of Cisco Unified Communications Domain Manager (Cisco Unified CDM) Software could allow an authenticated, local attacker to escape the restricted shell. The vulnerability is due to insufficient input validation of shell commands. An attacker could exploit this vulnerability by executing crafted commands in the shell. A successful exploit could allow the attacker to escape the restricted shell and access commands in the context of the restricted shell user, which does not have root privileges.

Threat Intelligence Overview

EPSS Score
0.3%
Top 76% 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 0.3%
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +39
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:cisco:hosted_collaboration_solution:*:*:*:*:*:*:*:*
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A vulnerability in the upgrade mechanism of Cisco collaboration products based on the Cisco Voice Operating System softw

CVE-2015-0741 MEDIUM
6.8 May 21

Multiple cross-site request forgery (CSRF) vulnerabilities in Cisco Prime Central for Hosted Collaboration Solution (PC4

CVE-2015-0750 MEDIUM
6.5 May 23

The administrative web interface in Cisco Hosted Collaboration Solution (HCS) 10.6(1) and earlier allows remote authenti

CVE-2018-0386 MEDIUM
6.1 Aug 15

A vulnerability in Cisco Unified Communications Domain Manager Software could allow an unauthenticated, remote attacker

CVE-2019-15968 MEDIUM
5.4 Nov 26

A vulnerability in the web-based management interface of Cisco Unified Communications Domain Manager (Unified CDM) could

CVE-2014-2122 MEDIUM
5.0 Mar 19

Memory leak in the GUI in the Impact server in Cisco Hosted Collaboration Solution (HCS) allows remote attackers to caus

CVE-2014-2121 MEDIUM
5.0 Mar 19

The Java-based software in Cisco Hosted Collaboration Solution (HCS) allows remote attackers to cause a denial of servic

CVE-2013-3381 MEDIUM
5.0 Jun 12

Cisco Hosted Collaboration Mediation allows remote attackers to cause a denial of service (CPU consumption) via a flood

CVE-2013-1174 MEDIUM
5.0 Apr 05

Cisco Tivoli Business Service Manager (TBSM) in Hosted Collaboration Mediation (HCM) in Cisco Hosted Collaboration Solut

CVE-2015-6352 MEDIUM
4.3 Oct 30

Cisco Unified Communications Domain Manager before 10.6(1) provides different error messages for pathname access attempt

CVE-2015-4260 MEDIUM
4.3 Jul 10

Cross-site scripting (XSS) vulnerability in Cisco Hosted Collaboration Solution 10.6(1) allows remote attackers to injec

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