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CVE-2015-6435

27
FAUCET Score

CVE-2015-6435 describes a critical vulnerability in an unspecified CGI script affecting Cisco FX-OS on Firepower 9000 devices and Cisco Unified Computing System (UCS) Manager. This flaw allows unauthenticated remote attackers to execute arbitrary shell commands by sending a specially crafted HTTP request. With a CVSS v3 score of 9.8 (CRITICAL), the vulnerability has a network attack vector, low attack complexity, and results in high impacts to confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.1\(1.86\)CPE matchmatch criteria
cpe:2.3:o:cisco:firepower_extensible_operating_system:1.1\(1.86\):*:*:*:*:*:*:*
1.1\(1.160\)CPE matchmatch criteria
cpe:2.3:o:cisco:firepower_extensible_operating_system:1.1\(1.160\):*:*:*:*:*:*:*
1.1.1CPE matchmatch criteria
cpe:2.3:o:cisco:firepower_extensible_operating_system:1.1.1:*:*:*:*:*:*:*
1.0\(2k\)CPE matchmatch criteria
cpe:2.3:a:cisco:unified_computing_system:1.0\(2k\):*:*:*:*:*:*:*
1.0_baseCPE matchmatch criteria
cpe:2.3:a:cisco:unified_computing_system:1.0_base:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
8.68%
Probability of exploitation in next 30 days
EPSS Percentile
94.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0868 is in the 90th percentile among its peer group of 36,833 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

packetstormsecurity.com / files/160991/Cisco-UCS-Manager-2.2-1d-Remote-Command-Execution.html
ExploitThird Party AdvisoryVDB Entry
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20160120-ucsm
Vendor Advisory
securitytracker.com / id/1034743
Third Party AdvisoryVDB Entry