CVE-2015-1827

The get_user_grouplist function in the extdom plug-in in FreeIPA before 4.1.4 does not properly reallocate memory when processing user accounts, which allows remote attackers to cause a denial of service (crash) via a group list request for a user that belongs to a large number of groups.

Published: 2015-03-30 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-1827 is rated Moderate Risk (47.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.18%). 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-2015-1827

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 1.29% 1.18% -0.11%
2 2025-05-03 1.18% 1.29% +0.11%
3 2025-03-30 — 1.18% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-1827

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/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:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-1827

OS Trackers for CVE-2015-1827

vendor priority summary link
debian unimportant CVE-2015-1827 unimportant priority: Debian including 1 source packages (freeipa), 3 status rows across 3 suites (bookworm, sid, trixie): resolved 3. https://security-tracker.debian.org/tracker/CVE-2015-1827
redhat medium — https://access.redhat.com/security/cve/CVE-2015-1827
ubuntu medium CVE-2015-1827 medium priority: Ubuntu including 1 source packages (freeipa), 5 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): not-affected 3, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2015-1827

Affected software / configurations for CVE-2015-1827

Vendor Product Version Raw CPE
freeipa freeipa <= 4.1.3 cpe:2.3:a:freeipa:freeipa:*:*:*:*:*:*:*:*
fedoraproject fedora 21 cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
fedoraproject fedora 22 cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*

References for CVE-2015-1827

cvelogic Threat Intelligence