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CVE-2013-4485

14
FAUCET Score

CVE-2013-4485 describes a denial-of-service vulnerability in 389 Directory Server versions, including Red Hat Directory Server before 8.2.11-14, where a remote authenticated user can crash the server by sending a search request with multiple "@" characters in a GER attribute list. This vulnerability has a CVSS score of 4.0, indicating a low severity with network access, low attack complexity, and requiring authentication, leading to partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting it is not a widely targeted or discussed vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
1.2.11.15CPE matchmatch criteria
cpe:2.3:a:fedoraproject:389_directory_server:1.2.11.15:*:*:*:*:*:*:*
<= 8.2CPE matchmatch criteria
cpe:2.3:a:redhat:directory_server:*:*:*:*:*:*:*:*
7.1CPE matchmatch criteria
cpe:2.3:a:redhat:directory_server:7.1:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:a:redhat:directory_server:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:L/Au:S/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.99%
Probability of exploitation in next 30 days
EPSS Percentile
78.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0199 is in the 91st percentile among its peer group of 21,977 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Directory Server 8 for RHEL 5Fixed in: redhat-ds-base-0:8.2.11-14.el5dsrv
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: 389-ds-base-0:1.2.11.15-30.el6_5
View patch

Vendor Advisories (1)

redhatCVE-2013-4485Important

389-ds-base: DoS due to improper handling of ger attr searches

Nov 21, 2013

References

rhn.redhat.com / errata/RHSA-2013-1752.html
Vendor Advisory
rhn.redhat.com / errata/RHSA-2013-1753.html
Vendor Advisory
secunia.com / advisories/55765
Vendor Advisory