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CVE-2014-3359

20
FAUCET Score

CVE-2014-3359 describes a memory leak vulnerability in Cisco IOS and IOS XE, specifically affecting versions 15.1 through 15.4 and various 3.xS releases. This flaw allows remote attackers to trigger a denial of service, potentially leading to memory exhaustion or device reloads, by sending malformed DHCPv6 packets. With a CVSS score of 7.8 (High), it is easily exploitable over the network without authentication, though it only impacts availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
15.1CPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
15.2CPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*
15.3CPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.3:*:*:*:*:*:*:*
15.4CPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.4:*:*:*:*:*:*:*
3.4.0sCPE matchmatch criteria
cpe:2.3:o:cisco:ios_xe:3.4.0s:*:*:*:*:*:*:*

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
2.78%
Probability of exploitation in next 30 days
EPSS Percentile
84.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0278 is in the 73rd percentile among its peer group of 51,551 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/96177
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-dhcpv6
Vendor Advisory
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-dhcpv6/cvrf/cisco-sa-20140924-dhcpv6_cvrf.xml
securityfocus.com / bid/70140
securitytracker.com / id/1030895