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Telepresence System Software CVE-2013-1246

MEDIUM
Resource Management Errors (CWE-399)
2013-05-31 psirt@cisco.com
Denial Of Service Cisco Telepresence System Software
6.8
CVSS 2.0 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-399
Impact

CVSS score of 6.8 (MEDIUM). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 0.36%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAI

Cisco TelePresence System Software does not properly handle inactive t-shell sessions, which allows remote authenticated users to cause a denial of service (memory consumption and service outage) by. Rated medium severity (CVSS 6.8), 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. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-399. Cisco TelePresence System Software does not properly handle inactive t-shell sessions, which allows remote authenticated users to cause a denial of service (memory consumption and service outage) by establishing multiple SSH connections, aka Bug ID CSCug77610. Affected products include: Cisco Telepresence System Software.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 6.8 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:C

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
C

DescriptionCVE.org

Cisco TelePresence System Software does not properly handle inactive t-shell sessions, which allows remote authenticated users to cause a denial of service (memory consumption and service outage) by establishing multiple SSH connections, aka Bug ID CSCug77610.

Threat Intelligence Overview

EPSS Score
0.4%
Top 42% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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

34
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +34
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:cisco:telepresence_system_software:-:*:*:*:*:*:*:*

More in Telepresence System Software

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CVE-2013-3454 CRITICAL
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Cisco TelePresence System Software 1.10.1 and earlier on 500, 13X0, 1X00, 30X0, and 3X00 devices, and 6.0.3 and earlier

CVE-2012-3075 CRITICAL
9.0 Jul 12

The administrative web interface on Cisco TelePresence Immersive Endpoint Devices before 1.7.4 allows remote authenticat
CVE-2014-0661 HIGH
8.3 Jan 22

The System Status Collection Daemon (SSCD) in Cisco TelePresence System 500-37, 1000, 1300-65, and 3xxx before 1.10.2(42
CVE-2012-2486 HIGH
8.3 Jul 12

The Cisco Discovery Protocol (CDP) implementation on Cisco TelePresence Multipoint Switch before 1.9.0, Cisco TelePresen
CVE-2012-3074 HIGH
8.3 Jul 12

An unspecified API on Cisco TelePresence Immersive Endpoint Devices before 1.9.1 allows remote attackers to execute arbi
CVE-2014-3362 HIGH
7.8 Sep 12

Memory leak in Cisco TelePresence System Edge MXP Series Software F9.3.3 and earlier allows remote attackers to cause a

CVE-2012-3073 HIGH
7.8 Jul 12

The IP implementation on Cisco TelePresence Multipoint Switch before 1.8.1, Cisco TelePresence Manager before 1.9.0, and
CVE-2014-2158 HIGH
7.8 May 02

Cisco TelePresence System MXP Series Software before F9.3.1 allows remote attackers to cause a denial of service (device
CVE-2012-0330 HIGH
7.8 Mar 01

Cisco TelePresence Video Communication Server with software before X7.0.1 allows remote attackers to cause a denial of s
CVE-2014-2161 HIGH
7.8 May 02

The H.225 subsystem in Cisco TelePresence System MXP Series Software before F9.3.1 allows remote attackers to cause a de
CVE-2014-2160 HIGH
7.8 May 02

The H.225 subsystem in Cisco TelePresence System MXP Series Software before F9.3.1 allows remote attackers to cause a de
CVE-2014-2159 HIGH
7.8 May 02

The H.225 subsystem in Cisco TelePresence System MXP Series Software before F9.3.1 allows remote attackers to cause a de

Same weakness CWE-399 – Resource Management Errors

View all
CVE-2013-3893 HIGH POC
8.8
CVE-2013-0025 CRITICAL POC
9.3
CVE-2015-0064 CRITICAL POC
9.3
CVE-2015-0065 CRITICAL POC
9.3
CVE-2013-3846 CRITICAL POC
9.3
CVE-2016-5427 HIGH
7.5
CVE-2013-0233 MEDIUM POC
6.8
CVE-2013-1305 HIGH
7.8

Same technique Denial Of Service

View all
CVE-2015-5119 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2012-0507 CRITICAL POC
9.8
CVE-2014-1761 HIGH POC
7.8
CVE-2015-5122 CRITICAL POC
9.8
CVE-2011-0609 HIGH POC
7.8

References

Advisories & patches
ADVISORY http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1246

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