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CVE-2018-1791

20
FAUCET Score

CVE-2018-1791 describes an External Service Interaction vulnerability in IBM Connections versions 5.0, 5.5, and 6.0, stemming from improper validation of a request property. An attacker could exploit this by submitting crafted payloads to induce the Connections server to attack other systems. With a CVSS score of 4.9 (Medium), this vulnerability has a network attack vector, high attack complexity, and requires low privileges, potentially leading to low impact on confidentiality and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.0CPE matchmatch criteria
cpe:2.3:a:ibm:connections:5.0:*:*:*:*:*:*:*
5.5CPE matchmatch criteria
cpe:2.3:a:ibm:connections:5.5:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:ibm:connections:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.9MEDIUM

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
1.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.98%
Probability of exploitation in next 30 days
EPSS Percentile
58.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0098 is in the 52nd percentile among its peer group of 1,428 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/148946
VDB EntryVendor Advisory
ibm.com / support/docview.wss
Vendor Advisory