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CVE-2015-1854

20
FAUCET Score

CVE-2015-1854 describes a vulnerability in 389 Directory Server versions prior to 1.3.3.10, allowing attackers to bypass access restrictions and modify directory entries through a specially crafted ldapmodrdn call. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to high integrity impact without requiring user interaction. While no public exploit code or active exploitation has been observed, and community discussion is minimal, organizations using affected Debian and Fedora products should still apply the necessary updates to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.3.3.9CPE matchmatch criteria
cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*
22CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.14%
Probability of exploitation in next 30 days
EPSS Percentile
80.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0214 is in the 65th percentile among its peer group of 51,553 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: 389-ds-base-0:1.3.3.1-16.el7_1
View patch

Vendor Advisories (1)

redhatCVE-2015-1854Important

389-ds-base: access control bypass with modrdn

Apr 28, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-May/157069.html
Mailing ListThird Party Advisory
access.redhat.com / errata/RHSA-2015:0895
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
lists.debian.org / debian-lts-announce/2018/07/msg00018.html
Mailing ListThird Party Advisory
securityfocus.com / bid/74392
Third Party AdvisoryVDB Entry