CVE-2015-2684

Shibboleth Service Provider (SP) before 2.5.4 allows remote authenticated users to cause a denial of service (crash) via a crafted SAML message.

Published: 2015-03-31 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-2684 is rated Low Risk (37.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.46%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2015-2684

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 2025-07-19 0.80% 0.46% -0.35%
2 2025-05-03 0.97% 0.80% -0.17%
3 2025-03-30 — 0.97% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-2684

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
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-2015-2684

OS Trackers for CVE-2015-2684

vendor priority summary link
ubuntu low CVE-2015-2684 low priority: Ubuntu including 1 source packages (shibboleth-sp2), 14 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 6, not-affected 5, DNE 2, released 1. https://ubuntu.com/security/CVE-2015-2684

Affected software / configurations for CVE-2015-2684

Vendor Product Version Raw CPE
shibboleth service_provider <= 2.5.3 cpe:2.3:a:shibboleth:service_provider:*:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

References for CVE-2015-2684

cvelogic Threat Intelligence