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CVE-2014-3397

21
FAUCET Score

CVE-2014-3397 describes a denial-of-service vulnerability affecting Cisco TelePresence MCU Software versions prior to 4.3(2.30). This flaw allows remote attackers to trigger excessive memory consumption by sending specially crafted TCP packets to the device. With a CVSS score of 7.8, this vulnerability is considered high severity due to its network-based attack vector, low attack complexity, and complete availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.3\(2.18\)CPE matchmatch criteria
cpe:2.3:a:cisco:telepresence_mcu_software:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.78%
Probability of exploitation in next 30 days
EPSS Percentile
88.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0378 is in the 80th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

secunia.com / advisories/60855
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20141015-mcu
Vendor Advisory
tools.cisco.com / security/center/viewAlert.x
securitytracker.com / id/1031054