CVE-2013-4485

389 Directory Server 1.2.11.15 (aka Red Hat Directory Server before 8.2.11-14) allows remote authenticated users to cause a denial of service (crash) via multiple @ characters in a GER attribute list in a search request.

Published: 2013-11-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-4485 is rated Moderate Risk (44.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.99%). Core evidence: EPSS rose +1.57% over the last day, indicating growing attacker interest. 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-2013-4485

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 0.42% 1.99% +1.57%
2 2025-03-30 1.22% 0.42% -0.80%
3 2025-03-29 1.22%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4485

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-2013-4485

OS Trackers for CVE-2013-4485

vendor priority summary link
debian not yet assigned CVE-2013-4485 not yet assigned priority: Debian including 1 source packages (389-ds-base), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2013-4485
redhat high https://access.redhat.com/security/cve/CVE-2013-4485
ubuntu medium CVE-2013-4485 medium priority: Ubuntu including 1 source packages (389-ds-base), 13 status rows across 13 suites (lucid, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 6, ignored 4, DNE 2, released 1. https://ubuntu.com/security/CVE-2013-4485

Affected software / configurations for CVE-2013-4485

Vendor Product Version Raw CPE
redhat enterprise_linux 6.0 cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
fedoraproject 389_directory_server 1.2.11.15 cpe:2.3:a:fedoraproject:389_directory_server:1.2.11.15:*:*:*:*:*:*:*
redhat directory_server <= 8.2 cpe:2.3:a:redhat:directory_server:*:*:*:*:*:*:*:*
redhat directory_server 7.1 cpe:2.3:a:redhat:directory_server:7.1:*:*:*:*:*:*:*
redhat directory_server 8.0 cpe:2.3:a:redhat:directory_server:8.0:*:*:*:*:*:*:*
redhat directory_server 8.1 cpe:2.3:a:redhat:directory_server:8.1:*:*:*:*:*:*:*

References for CVE-2013-4485

cvelogic Threat Intelligence