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CVE-2017-5565

18
FAUCET Score

CVE-2017-5565 is a code injection vulnerability affecting Trend Micro Maximum Security, Internet Security, and Antivirus+ Security versions 11.0 and earlier. It allows a local attacker to bypass self-protection mechanisms and inject arbitrary code, gaining full control over Trend Micro processes via a "DoubleAgent" attack. The vulnerability has a CVSS score of 6.7 (Medium), indicating a local attack vector with low complexity, requiring high privileges, and leading to high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code, the vulnerability has garnered significant community discussion and media coverage, suggesting awareness within the security community.

Impacted Technologies

VendorProductVersion(s)CPE
<= 11.1.1005CPE matchmatch criteria
cpe:2.3:a:trendmicro:antivirus\+:*:*:*:*:*:*:*:*
<= 11.1.1005CPE matchmatch criteria
cpe:2.3:a:trendmicro:internet_security:*:*:*:*:*:*:*:*
<= 11.1.1005CPE matchmatch criteria
cpe:2.3:a:trendmicro:maximum_security:*:*:*:*:*:*:*:*
<= 11.1.1005CPE matchmatch criteria
cpe:2.3:a:trendmicro:premium_security:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.7MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.70%
Probability of exploitation in next 30 days
EPSS Percentile
49.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0070 is in the 95th percentile among its peer group of 3,720 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, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

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

cybellum.com / doubleagent-taking-full-control-antivirus
Third Party Advisory
cybellum.com / doubleagentzero-day-code-injection-and-persistence-technique
Technical DescriptionThird Party Advisory
securityfocus.com / bid/97031
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038206
success.trendmicro.com / solution/1116957
Vendor Advisory