SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-11394

Proxy command injection vulnerability in Trend Micro OfficeScan 11 and XG (12) allows remote attackers to execute arbitrary code on vulnerable installations.

EXPLOITCRITICAL 9.8EPSS 66.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 66.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
66.77% probability · 99th percentile
Public exploits
1 in Exploit-DB · first 11 October 2017
CISA KEV
Not listed
Weakness
CWE-20
Affected
trendmicro/officescan
Source
security@trendmicro.com
EPSS trend
0%35%70%21 September 2026: 61.61%22 September 2026: 66.77%27 October 2026: 66.77%21 September 202627 October 2026

EPSS moved from 61.6% on 21 September 2026 to 66.8% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-42971source ↗Trend Micro OfficeScan 11.0/XG (12.0) - Remote Code Execution (Metasploit)php · Mehmet Incewebapps11 October 2017no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.