CVE-2015-7461

XML external entity (XXE) vulnerability in IBM Connections 3.0.1.1 and earlier, 4.0, 4.5, and 5.0 before CR4 allows remote authenticated users to cause a denial of service (memory consumption) via crafted XML data. IBM X-Force ID: 108357.

Published: 2018-03-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-7461 is rated Moderate Risk (49.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.26%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-7461

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.40% 1.26% +0.86%
2 2025-03-30 0.53% 0.40% -0.14%
3 2025-03-29 0.53%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-7461

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 3.6 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2015-7461

Affected software / configurations for CVE-2015-7461

Vendor Product Version Raw CPE
ibm connections <= 3.0.1.1 cpe:2.3:a:ibm:connections:*:*:*:*:*:*:*:*
ibm connections 4.0.0.0 cpe:2.3:a:ibm:connections:4.0.0.0:*:*:*:*:*:*:*
ibm connections 4.5.0.0 cpe:2.3:a:ibm:connections:4.5.0.0:*:*:*:*:*:*:*
ibm connections 5.0.0.0 cpe:2.3:a:ibm:connections:5.0.0.0:*:*:*:*:*:*:*

References for CVE-2015-7461

cvelogic Threat Intelligence