CVE-2015-1854 — 389-ds-base: access control bypass with modrdn

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HIGH

389-ds-base: access control bypass with modrdn

Published Sep 19, 2017

7.5

HIGH

CVSS 3.0

EPSS 2.14%

Description

389 Directory Server before 1.3.3.10 allows attackers to bypass intended access restrictions and modify directory entries via a crafted ldapmodrdn call.

Affected products

Red Hat Enterprise Linux 7

389-ds-base-0:1.3.3.1-16.ael7b_1

Fixed · RHSA-2015:0895
Red Hat Directory Server 8

redhat-ds-base

Not affected
Red Hat Enterprise Linux 6

389-ds-base

Not affected

Product	Package	State	Advisory
Red Hat Enterprise Linux 7	389-ds-base-0:1.3.3.1-16.ael7b_1	Fixed	RHSA-2015:0895
Red Hat Directory Server 8	redhat-ds-base	Not affected	n/a
Red Hat Enterprise Linux 6	389-ds-base	Not affected	n/a

Remediation

Red Hat statement

This issue does not affect the version of 389-ds-base package as shipped with Red Hat Enterprise Linux 6.

Metrics

2.14% 0.02142

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.02142

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (17 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	2.14% (0.02142)	81.38th	v5 (v2026.06.15)
Jun 15, 2026	2.14% (0.02142)	79.60th	v5 (v2026.06.15)
Jun 8, 2026	0.43% (0.00432)	62.99th	v4 (v2025.03.14)
Dec 30, 2025	1.63% (0.01632)	81.46th	v4 (v2025.03.14)
Mar 17, 2025	0.43% (0.00432)	60.54th	v4 (v2025.03.14)
Dec 12, 2024	0.33% (0.00329)	71.84th	v3 (v2023.03.01)
Feb 8, 2024	0.33% (0.00329)	70.17th	v3 (v2023.03.01)
Dec 24, 2023	0.33% (0.00329)	67.87th	v3 (v2023.03.01)
May 8, 2023	0.47% (0.00467)	71.81th	v3 (v2023.03.01)
Mar 22, 2023	0.78% (0.00780)	78.68th	v3 (v2023.03.01)
Mar 7, 2023	0.73% (0.00727)	77.68th	v3 (v2023.03.01)
Mar 6, 2023	1.02% (0.01018)	40.69th	v2 (v2022.01.01)
Feb 13, 2023	1.02% (0.01018)	40.16th	v2 (v2022.01.01)
Feb 3, 2023	1.11% (0.01108)	54.42th	v2 (v2022.01.01)
Sep 10, 2022	1.02% (0.01018)	38.88th	v2 (v2022.01.01)
Apr 1, 2022	1.02% (0.01018)	36.86th	v2 (v2022.01.01)
Feb 4, 2022	1.02% (0.01018)	19.50th	v2 (v2022.01.01)

Weaknesses (2)

CWE-284

CWE-639

Authorization Bypass

References (8)

http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157069.html
vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
http://www.securityfocus.com/bid/74392
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2015:0895
vendor-advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/security/cve/CVE-2015-1854
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1209573
x_refsource_CONFIRMIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00018.html
mailing-listx_refsource_MLISTMailing ListThird Party Advisory
https://nvd.nist.gov/vuln/detail/CVE-2015-1854
https://www.cve.org/CVERecord?id=CVE-2015-1854

Link	Providers	Tags
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157069.html		vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
http://www.securityfocus.com/bid/74392		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2015:0895		vendor-advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/security/cve/CVE-2015-1854		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1209573		x_refsource_CONFIRMIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00018.html		mailing-listx_refsource_MLISTMailing ListThird Party Advisory
https://nvd.nist.gov/vuln/detail/CVE-2015-1854
https://www.cve.org/CVERecord?id=CVE-2015-1854