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CVE-2018-1791
IBM Connections 5.0, 5.5, and 6.0 is vulnerable to an External Service Interaction attack, caused by improper validation of a request…
- 4.9MediumCVSS base score
- 0.98%Exploitation in 30 daysEPSS · top 38% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By ibm
- 9 months later
· 9 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.0 | Medium4.9 | 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 |
| NVDNVD · Modified | 3.0 | Medium4.9 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L |
- EPSS (exploitation in 30 days)
- 0.98% · top 38% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.
Affected products
- affected 5.0
- affected 5.5
- affected 6.0
References
2
- https://www.ibm.com/support/docview.wss?uid=ibm10731207 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ibm-connections-cve20181791-esi(148946) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-12370 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-1791)Record last updated .