Public proof of conceptFix available

CVE-2017-11394

A public proof of concept exists; no exploitation attested.

Published2017-08-03
WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Proxy command injection vulnerability in Trend Micro OfficeScan 11 and XG (12) allows remote attackers to execute arbitrary code on vulnerable installations. The specific flaw can be exploited by parsing the T parameter within Proxy.php. Formerly ZDI-CAN-4544.

Timeline

dates in UTC

2017-08-0315:29CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-11394?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-11394?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Trendmicro officescan

Branch	Affected	Fixed in	Source
11.0	= 11.0	no fix published	NVD
12.0	= 12.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

success.trendmicro.comMitigation · Patch · Vendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: EDB-42971
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.09.8read 2026-10-23
NVDCVSS 2.010read 2026-10-23
NVDweakness (CWE)CWE-20read 2026-10-23
FIRST EPSSEPSS score66.8 %read 2026-10-23
Exploit-DBdetectionread 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2017-08-03
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-11394?

Is CVE-2017-11394 actively exploited?

Active exploitation of CVE-2017-11394 has not been confirmed. Its EPSS score was 66.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-11394?

CVE-2017-11394 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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