Security readout for executives and security teams
Plain-English summary
CVE-2025-2487 can crash affected 389-ds-base LDAP directory servers. It requires a privileged LDAP user, so this is mainly an insider, compromised admin, or automation-account risk. Business impact is availability loss for identity and directory-dependent services, not data theft or privilege escalation based on the provided sources.
Executive priority
Handle in normal vulnerability management unless the directory service is mission-critical or privileged LDAP accounts are broadly distributed. Prioritize patching systems where a crash would disrupt authentication, access control, or business applications.
Technical view
The flaw is a CWE-476 NULL pointer dereference in 389-ds-base during LDAP Modify DN handling. A failed operation followed by a privileged MODDN operation can dereference NULL and cause denial of service or system crash. CVSS is 4.9, network-accessible, low complexity, high privileges required, availability-only impact.
Likely exposure
Exposure is most likely in environments running affected Red Hat Directory Server 12.4 EUS or 389-ds-base packages on RHEL 9 and RHEL 9.4 EUS. RHEL 6, 7, and 8 status is listed as unknown in the bundle.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires a privileged LDAP user and a specific post-failure Modify DN sequence. Treat it as a service-availability risk, especially where directory uptime supports authentication or enterprise applications.
Researcher notes
Evidence supports an authenticated, privileged denial-of-service condition, not confidentiality or integrity impact. The source bundle identifies affected package streams but does not include exploit details, proof-of-concept status, or exact fixed package versions beyond linked Red Hat advisories.
Mitigation direction
- Apply the applicable Red Hat security advisory updates for affected products.
- Inventory 389-ds-base and Red Hat Directory Server package versions.
- Limit privileged LDAP accounts to required administrators and service principals.
- Review vendor guidance for products listed with unknown status.
- Prioritize high-availability coverage for business-critical directory services.
Validation and detection
- Check hosts for affected 389-ds-base package versions listed in the bundle.
- Confirm relevant RHSA updates are installed on affected Red Hat systems.
- Verify Red Hat Directory Server 12 deployments are not the affected 12.4 EUS package.
- Review directory server logs for unexplained crashes around Modify DN activity.
- Document any RHEL 6, 7, or 8 installations pending vendor status confirmation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-476: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-2487 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H1.23.6redhatVulnerability scoring details
Base CVSS 3.1 score
4.9MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineredhat
Made public.
- Source timelineredhat
Reported to Red Hat.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2025:3663CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:3670CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:4491CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:7395CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-2487CVE reference, redhat · vdb-entry, x_refsource_REDHAT
- RHBZ#2353071CVE reference, redhat · issue-tracking, x_refsource_REDHAT
- https://github.com/389ds/389-ds-base/security/advisories/GHSA-426r-w669-66gwCVE reference, redhat
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.