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CVE-2014-3356

21
FAUCET Score

CVE-2014-3356 describes a denial-of-service vulnerability in Cisco IOS and IOS XE, specifically within the metadata flow feature. Remote attackers can trigger a device reload by sending malformed RSVP packets to affected versions. With a CVSS score of 7.8 (AV:N/AC:L/Au:N/C:N/I:N/A:C), this vulnerability is highly severe, requiring no authentication and having low attack complexity, leading to a complete loss of availability. 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
3.3\(.0\)xoCPE matchmatch criteria
cpe:2.3:o:cisco:ios_xe:3.3\(.0\)xo:*:*:*:*:*:*:*
3.6.0sCPE matchmatch criteria
cpe:2.3:o:cisco:ios_xe:3.6.0s:*:*:*:*:*:*:*
3.6.1sCPE matchmatch criteria
cpe:2.3:o:cisco:ios_xe:3.6.1s:*:*:*:*:*:*:*
3.6.2sCPE matchmatch criteria
cpe:2.3:o:cisco:ios_xe:3.6.2s:*:*:*:*:*:*:*
3.7\(0\)sCPE matchmatch criteria
cpe:2.3:o:cisco:ios_xe:3.7\(0\)s:*:*:*:*:*:*:*

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
3.20%
Probability of exploitation in next 30 days
EPSS Percentile
86.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0320 is in the 76th 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

exchange.xforce.ibmcloud.com / vulnerabilities/96176
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-metadata
Vendor Advisory
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-metadata/cvrf/cisco-sa-20140924-metadata_cvrf.xml
securityfocus.com / bid/70135
securitytracker.com / id/1030894