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CVE-2016-6266

31
FAUCET Score

CVE-2016-6266 describes a critical command injection vulnerability in Trend Micro Smart Protection Server versions 2.5, 2.6, and 3.0. Authenticated attackers can execute arbitrary commands by injecting shell metacharacters into specific parameters within the ccca_ajaxhandler.php script. This vulnerability carries a CVSS v3.1 score of 8.8 (High), indicating a high potential for compromise of confidentiality, integrity, and availability with low attack complexity. 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
2.5CPE matchmatch criteria
cpe:2.3:a:trendmicro:smart_protection_server:2.5:*:*:*:*:*:*:*
2.6CPE matchmatch criteria
cpe:2.3:a:trendmicro:smart_protection_server:2.6:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:trendmicro:smart_protection_server:3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
8.15%
Probability of exploitation in next 30 days
EPSS Percentile
94.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0815 is in the 93rd percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

Remediation records are not available for this CVE.

References

qkaiser.github.io / pentesting/trendmicro/2016/08/08/trendmicro-sps
ExploitTechnical DescriptionThird Party Advisory
success.trendmicro.com / solution/1114913
MitigationPatchVendor Advisory