HOMEVULNERABILITIESCVE-2017-16664
HIGH

CVE-2017-16664

CWE-94Published: November 21, 2017· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Code injection exists in Kernel/System/Spelling.pm in Open Ticket Request System (OTRS) 5 before 5.0.24, 4 before 4.0.26, and 3.3 before 3.3.20. In the agent interface, an authenticated remote attacker can execute shell commands as the webserver user via URL manipulation.

NVD Source

Technical Analysis

CVE-2017-16664 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
otrs1 product(s)
otrs
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.otrs.com/security-advisory-2017-07-security-update-otrs-framework/
PATCHhttps://www.otrs.com/security-advisory-2017-07-security-update-otrs-framework/
ADVISORYhttps://lists.debian.org/debian-lts-announce/2017/12/msg00015.html
ADVISORYhttps://www.debian.org/security/2017/dsa-4047
ADVISORYhttps://lists.debian.org/debian-lts-announce/2017/12/msg00015.html
ADVISORYhttps://www.debian.org/security/2017/dsa-4047

All References (6)

→
https://lists.debian.org/debian-lts-announce/2017/12/msg00015.htmlMailing List · Third Party Advisory
→
https://www.debian.org/security/2017/dsa-4047Third Party Advisory
→
https://www.otrs.com/security-advisory-2017-07-security-update-otrs-framework/Issue Tracking · Patch · Vendor Advisory
→
https://lists.debian.org/debian-lts-announce/2017/12/msg00015.htmlMailing List · Third Party Advisory
→
https://www.debian.org/security/2017/dsa-4047Third Party Advisory
→
https://www.otrs.com/security-advisory-2017-07-security-update-otrs-framework/Issue Tracking · Patch · Vendor Advisory

Quick Facts

CVE IDCVE-2017-16664
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-94
CISA KEVNo
Affected2 vendor(s)
PublishedNov 21, 2017

Related CVEs (CWE-94)

CVE-2024-32599
10.0
CVE-2023-50029
10.0
CVE-2023-2583
10.0
CVE-2023-37466
10.0
CVE-2024-36679
10.0
CVE-2013-2751
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-16664 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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