Security readout for executives and security teams
Plain-English summary
This flaw affects Dell Security Management Server versions before 10.2.10. If such a server is reachable from the internet and Windows Firewall is disabled, an unauthenticated remote attacker may be able to execute code on the host. The business risk is high because successful exploitation could compromise a management server.
Executive priority
Prioritize remediation for any internet-facing affected server. The issue can lead to host-level code execution without authentication, but the known exploitability conditions narrow the highest-risk population.
Technical view
CVE-2020-5327 is a CWE-502 Java RMI deserialization of untrusted data issue in Dell Security Management Server before 10.2.10. The CVSS 3.1 score is 8.1 with network attack vector, no privileges, no user interaction, high impact, and high attack complexity.
Likely exposure
Exposure is most likely where Dell Security Management Server before 10.2.10 is deployed, internet-reachable, and Windows Firewall is disabled. The bundle also references Dell Encryption Enterprise, so asset owners should map Dell management components carefully.
Exploitation context
The sources say a remote unauthenticated attacker may exploit the issue with a crafted RMI request. There is no KEV listing in the bundle, and no cited evidence of active exploitation is provided.
Researcher notes
The vulnerability is deserialization over Java RMI with high attack complexity. Product naming in the bundle includes Dell Security Management Server and Dell Encryption Enterprise; confirm exact deployed components against Dell’s advisory before scoping remediation.
Mitigation direction
- Upgrade affected Dell Security Management Server deployments to 10.2.10 or later per Dell guidance.
- Enable Windows Firewall on affected Windows hosts.
- Remove direct internet exposure for the management server.
- Restrict RMI access to trusted administrative networks only.
- Review Dell advisory SLN320536 for vendor-specific instructions.
Validation and detection
- Inventory Dell Security Management Server versions and identify any below 10.2.10.
- Confirm whether affected servers are reachable from the internet.
- Verify Windows Firewall is enabled on the server host.
- Check network controls limiting RMI access to trusted sources.
- Review logs for unexpected external access to the management server.
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-502: 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-2020-5327 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
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/article/SLN320536CVE reference · x_refsource_MISC
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.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.