Security readout for executives and security teams
Plain-English summary
CVE-2023-24576 affects Dell EMC NetWorker/NVE backup environments. The provided record says the NetWorker Client execution service may allow unauthenticated remote code execution despite authentication settings. A compromise could expose sensitive backup-related data or systems, so internet or broadly reachable NetWorker services deserve prompt review.
Executive priority
Treat this as a high-priority backup infrastructure review. Backups often hold sensitive data and privileged operational access, and the provided record describes unauthenticated network reachability. Prioritize exposed deployments first.
Technical view
The CVE record describes a network-reachable, low-complexity, unauthenticated flaw in nsrexecd, mapped to CWE-94. CVSS 3.1 is 7.5 with high confidentiality impact and no integrity or availability impact in the vector, although the description references remote code execution. Affected version data in the bundle is incomplete.
Likely exposure
Exposure is most likely where Dell EMC NetWorker or NVE is deployed and NetWorker client execution services are reachable by untrusted networks. The bundle does not provide clear affected version ranges.
Exploitation context
The source bundle does not identify CISA KEV listing or active exploitation. The CVSS vector indicates remote, unauthenticated reachability with low attack complexity, which raises urgency even without confirmed exploitation evidence.
Researcher notes
Evidence is limited to CVE metadata and the Dell advisory link. The affected version field in the provided bundle is not actionable. The RCE wording and CVSS confidentiality-only vector should be reconciled against vendor details before final scoping.
Mitigation direction
- Review Dell advisory DSA-2023-041 for affected versions and vendor updates.
- Inventory all NetWorker and NVE deployments, including backup clients.
- Restrict NetWorker service exposure to trusted management and backup networks.
- Prioritize remediation for internet-facing or cross-zone reachable deployments.
- Monitor Dell guidance for corrected affected-version and update details.
Validation and detection
- Confirm whether NetWorker or NVE is present in the environment.
- Identify systems running the NetWorker Client execution service.
- Compare installed versions against Dell advisory DSA-2023-041.
- Review network paths to ensure untrusted hosts cannot reach the service.
- Check security monitoring for unusual NetWorker service access.
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-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-24576 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
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/kbdoc/en-us/000208258/dsa-2023-041-dell-networker-security-update-for-nsrdump-vulnerabilityCVE reference · vendor-advisory
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.
Improper Control of Generation of Code ('Code Injection')
Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.