Security readout for executives and security teams
Plain-English summary
CVE-2021-22532 is a denial-of-service risk in OpenText eDirectory’s NLDAP component. An authenticated, low-privileged network user may be able to disrupt directory availability. The CVE rates this high because directory outages can affect authentication-dependent business services.
Executive priority
Treat as a high-priority infrastructure maintenance item if eDirectory supports business authentication or identity services. The main business risk is service disruption, not confirmed data theft. Prioritize exposed or mission-critical directory servers first.
Technical view
The issue is described as a possible NLDAP denial-of-service vulnerability in OpenText eDirectory before 9.2.4.0000. CVSS 3.1 is 7.6: network exploitable, low complexity, low privileges required, no user interaction, with high availability impact and low confidentiality/integrity impact. CWE-770 indicates resource allocation without limits or throttling.
Likely exposure
Organizations running OpenText eDirectory versions before 9.2.4.0000 are the primary concern, especially where NLDAP is reachable by authenticated users over the network. Exact build exposure should be confirmed against OpenText release documentation.
Exploitation context
No CISA KEV listing or provided source indicates active exploitation. The CVSS vector suggests exploitation requires network access and valid low-level privileges, but no public exploit details are included in the provided sources.
Researcher notes
Evidence is limited to the CVE record and OpenText/NetIQ release documentation. The source text says versions before 9.2.4.0000 are affected; validate exact affected builds with vendor notes. Do not assume active exploitation from the available sources.
Mitigation direction
- Identify all OpenText eDirectory deployments and their exact versions.
- Prioritize upgrade to 9.2.4.0000 or later per OpenText guidance.
- Restrict NLDAP network access to trusted systems and users.
- Monitor directory service availability and unusual authenticated NLDAP activity.
- Review OpenText release notes for environment-specific upgrade requirements.
Validation and detection
- Confirm whether any eDirectory instance is earlier than 9.2.4.0000.
- Verify NLDAP exposure from untrusted or broad internal networks.
- Check whether low-privileged accounts can reach NLDAP services.
- Review logs for service instability or repeated NLDAP-related errors.
- Document compensating controls if upgrade is not immediate.
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-770: 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-2021-22532 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
- High
- CVSS
- 7.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/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.
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:L/UI:N/S:U/C:L/I:L/A:H2.84.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.6HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Source materials
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.
Allocation of Resources Without Limits or Throttling
Allocation of Resources Without Limits or Throttling represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.