CVE-2018-1791
IBM Connections 5.0, 5.5, and 6.0 is vulnerable to an External Service Interaction attack, caused...
IBM Connections 5.0, 5.5, and 6.0 is vulnerable to an External Service Interaction attack, caused by improper validation of a request property. By submitting suitable payloads, an attacker could exploit this vulnerability to induce the Connections server to attack other systems. IBM X-Force ID: 148946.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
IBM Connections 5.0, 5.5, and 6.0 is vulnerable to an External Service Interaction attack, caused by improper validation of a request property. By submitting suitable payloads, an attacker could exploit this vulnerability to induce the Connections server to attack other systems. IBM X-Force ID: 148946.
- Record
CVE-2018-1791- CVSS 3.0
- 4.9 Medium
CVSS:3.0/A:L/AC:H/AV:N/C:L/I:N/PR:L/S:C/UI:N/E:U/RC:C/RL:O - Updated
- 2026-11-02
EUVDEUVD-2018-12370
IBM Connections 5.0, 5.5, and 6.0 is vulnerable to an External Service Interaction attack, caused by improper validation of a request property. By submitting suitable payloads, an attacker could exploit this vulnerability to induce the Connections server to attack other systems. IBM X-Force ID: 148946.
- Record
EUVD-2018-12370- CVSS 3.0
- 4.9 Medium
CVSS:3.0/A:L/AC:H/AV:N/C:L/I:N/PR:L/S:C/UI:N/E:U/RC:C/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mfgj-x8hm-56jw
IBM Connections 5.0, 5.5, and 6.0 is vulnerable to an External Service Interaction attack, caused...
IBM Connections 5.0, 5.5, and 6.0 is vulnerable to an External Service Interaction attack, caused by improper validation of a request property. By submitting suitable payloads, an attacker could exploit this vulnerability to induce the Connections server to attack other systems. IBM X-Force ID: 148946.
- Record
GHSA-mfgj-x8hm-56jw- CVSS 3.0
- 4.9 Medium
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
IBM Connections 5.0, 5.5, and 6.0 is vulnerable to an External Service Interaction attack, caused by improper validation of a request property. By submitting suitable payloads, an attacker could exploit this vulnerability to induce the Connections server to attack other systems. IBM X-Force ID: 148946.
- Record
CVE-2018-1791- CVSS 3.0
- 4.9 Medium
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L - CVSS 2.0
- 4.9 Medium
AV:N/AC:M/Au:S/C:P/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-1791 is a medium vulnerability (CVSS 4.9) in Hclsoftware Connections, published September 14, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. No source names a fixed version.