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CVE-2015-4265

15
FAUCET Score

CVE-2015-4265 describes a denial-of-service vulnerability in Cisco Unified Computing System (UCS) B Blade Server Software versions 2.2.x prior to 2.2.6. A local attacker can exploit this by sending crafted packets over the Inter-IC (I2C) bus, leading to a host OS or BMC hang. The vulnerability has a CVSS score of 4.9, indicating a low attack complexity and local access requirement, with the primary impact being a complete loss of availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.2\(1b\)CPE matchmatch criteria
cpe:2.3:a:cisco:ucs_b-series_blade_server_software:2.2\(1b\):*:*:*:*:*:*:*
2.2\(1c\)CPE matchmatch criteria
cpe:2.3:a:cisco:ucs_b-series_blade_server_software:2.2\(1c\):*:*:*:*:*:*:*
2.2\(1d\)CPE matchmatch criteria
cpe:2.3:a:cisco:ucs_b-series_blade_server_software:2.2\(1d\):*:*:*:*:*:*:*
2.2\(1e\)CPE matchmatch criteria
cpe:2.3:a:cisco:ucs_b-series_blade_server_software:2.2\(1e\):*:*:*:*:*:*:*
2.2\(1f\)CPE matchmatch criteria
cpe:2.3:a:cisco:ucs_b-series_blade_server_software:2.2\(1f\):*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
34.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 63rd percentile among its peer group of 3,052 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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/content/CiscoSecurityAdvisory/cisco-sa-20151006-ucs
Vendor Advisory
securitytracker.com / id/1033752
Third Party AdvisoryVDB Entry