CVE-2018-5704
Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data...
Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data to 127.0.0.1 port 4444, which allows remote attackers to conduct cross-protocol scripting attacks, and consequently execute arbitrary commands, via a crafted web site.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data to 127.0.0.1 port 4444, which allows remote attackers to conduct cross-protocol scripting attacks, and consequently execute arbitrary commands, via a crafted web site.
- Record
CVE-2018-5704- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-134
- Updated
- 2026-11-02
CVE List No score
Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data to 127.0.0.1 port 4444, which allows remote attackers to conduct cross-protocol scripting attacks, and consequently execute arbitrary commands, via a crafted web site.
- Record
CVE-2018-5704- Updated
- 2026-11-02
EUVDEUVD-2018-17473 No score
Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data to 127.0.0.1 port 4444, which allows remote attackers to conduct cross-protocol scripting attacks, and consequently execute arbitrary commands, via a crafted web site.
- Record
EUVD-2018-17473- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6gfh-wrq3-9f83
Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data...
Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data to 127.0.0.1 port 4444, which allows remote attackers to conduct cross-protocol scripting attacks, and consequently execute arbitrary commands, via a crafted web site.
- Record
GHSA-6gfh-wrq3-9f83- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-134
- Updated
- 2026-11-02
OSV
Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data to 127.0.0.1 port 4444, which allows remote attackers to conduct cross-protocol scripting attacks, and consequently execute arbitrary commands, via a crafted web site.
- Record
CVE-2018-5704- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-5704
Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data to 127.0.0.1 port 4444, which allows remote attackers to conduct cross-protocol scripting attacks, and consequently execute arbitrary commands, via a crafted web site.
- Record
DEBIAN-CVE-2018-5704- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-5704
Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data to 127.0.0.1 port 4444, which allows remote attackers to conduct cross-protocol scripting attacks, and consequently execute arbitrary commands, via a crafted web site.
- Record
UBUNTU-CVE-2018-5704- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
openocdDebian:12 |
before 0.10.0-4 | 0.10.0-4 |
openocdDebian:13 |
before 0.10.0-4 | 0.10.0-4 |
openocdDebian:14 |
before 0.10.0-4 | 0.10.0-4 |
openocdDebian:7 |
before 0.5.0-1+deb7u1, plus listed versions 0.5.0-1 |
0.5.0-1+deb7u1 |
openocdDebian:8 |
before 0.8.0-4+deb7u1, plus listed versions 0.8.0-4 |
0.8.0-4+deb7u1 |
openocdDebian:9 |
before 0.9.0-1+deb8u1, plus listed versions 0.9.0-1 |
0.9.0-1+deb8u1 |
openocdUbuntu:16.04:LTS |
before 0.9.0-1+deb8u1build0.16.04.1, plus listed versions 0.9.0-1build1 |
0.9.0-1+deb8u1build0.16.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-5704 is a critical vulnerability (CVSS 9.6) in Openocd Open On-chip Debugger, published January 16, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.58%, the 91st percentile. Fixed in openocd 0.10.0-4.