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CVE-2015-0771

22
FAUCET Score

CVE-2015-0771 describes a denial-of-service vulnerability in the IKE implementation of Cisco IOS 12.2 on Catalyst 6500 devices. An authenticated remote attacker can trigger a device reload by sending a specially crafted message during IPsec tunnel setup. This vulnerability has a CVSS score of 6.3, indicating a medium severity with network access, medium attack complexity, and complete availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
12.2\(33\)sxj8CPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2\(33\)sxj8:*:*:*:*:*:*:*
12.2sxjCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2sxj:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.3MEDIUM

AV:N/AC:M/Au:S/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.42%
Probability of exploitation in next 30 days
EPSS Percentile
82.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0242 is in the 90th percentile among its peer group of 1,424 CVEs.

Social Chatter

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

tools.cisco.com / security/center/viewAlert.x
Vendor Advisory
securitytracker.com / id/1032517
Third Party AdvisoryVDB Entry