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SRC: CVELISTV5 / SYNC: T-11M / LAG: 9M / REC: 386,710 / REV: C6-1C / V4

01 RecordSTATE: PUBLISHED

CVE-2024-3657

389-ds-base: potential denial of service via specially crafted kerberos as-req request

HighPUBLISHEDCNA: redhat

CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

02 Description

CNA: redhat

389-ds-base: potential denial of service via specially crafted kerberos as-req request

03 Exploitation and scoring

SRC: CISA, FIRST, NVD, RED HAT

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 67.4% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

SCHEMA: 5.2

Published

2024-05-28 12:53Z2 YR AGO

Last updated

2026-02-25 19:31Z6 MO AGO

Reserved

2024-04-11

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

6ddfd5dc3f0a58a1b8ab5222ad4dfbb5dd69103988fb1f5a0eebe8060629369e

05 Affected products

PAIRS: 13

VendorProductVersionsPlatforms

Red HatRed Hat Directory Server 11.5 E4S for RHEL 8Not specified—

Red HatRed Hat Directory Server 11.7 for RHEL 8Not specified—

Red HatRed Hat Directory Server 11.8 for RHEL 8Not specified—

Red HatRed Hat Directory Server 11.9 for RHEL 8Not specified—

Red HatRed Hat Directory Server 12.2 EUS for RHEL 9Not specified—

Red HatRed Hat Directory Server 12.4 for RHEL 9Not specified—

Red HatRed Hat Enterprise Linux 7Not specified—

Red HatRed Hat Enterprise Linux 8Not specified—

Red HatRed Hat Enterprise Linux 8.8 Extended Update SupportNot specified—

Red HatRed Hat Enterprise Linux 9Not specified—

Red HatRed Hat Enterprise Linux 9.2 Extended Update SupportNot specified—

Red HatRed Hat Enterprise Linux 10Not specified—

Red HatRed Hat Enterprise Linux 6Not specified—

06 References

REFS: 14

access.redhat.comRHSA-2024:3591https://access.redhat.com/errata/RHSA-2024:3591vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2024:3837https://access.redhat.com/errata/RHSA-2024:3837vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2024:4092https://access.redhat.com/errata/RHSA-2024:4092vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2024:4209https://access.redhat.com/errata/RHSA-2024:4209vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2024:4210https://access.redhat.com/errata/RHSA-2024:4210vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2024:4235https://access.redhat.com/errata/RHSA-2024:4235vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2024:4633https://access.redhat.com/errata/RHSA-2024:4633vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2024:5690https://access.redhat.com/errata/RHSA-2024:5690vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2024:6576https://access.redhat.com/errata/RHSA-2024:6576vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2024:7458https://access.redhat.com/errata/RHSA-2024:7458vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2025:1632https://access.redhat.com/errata/RHSA-2025:1632vendor-advisoryx_refsource_REDHAT
access.redhat.comhttps://access.redhat.com/security/cve/CVE-2024-3657vdb-entryx_refsource_REDHAT
bugzilla.redhat.comRHBZ#2274401https://bugzilla.redhat.com/show_bug.cgi?id=2274401issue-trackingx_refsource_REDHAT
lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/01/msg00015.html