Security readout for executives and security teams
Plain-English summary
This flaw lets an authenticated SolarWinds Orion user with node management rights create or delete nodes beyond their intended management scope. That can undermine monitoring accuracy and operational visibility. The source bundle does not provide CVSS scoring or evidence of active exploitation.
Executive priority
Treat this as a prompt remediation item for organizations relying on Orion for infrastructure monitoring. It is not described as internet-remote or actively exploited, but unauthorized node deletion can impair operational visibility.
Technical view
CVE-2021-28674 affects SolarWinds Orion Platform before 2020.2.5 HF1. The node management page uses predictable incrementing node IDs, and access control on Services/NodeManagement.asmx/DeleteObjNow is incorrect. Exploitation requires authentication and node management rights tied to at least one valid platform group.
Likely exposure
Exposure is limited to SolarWinds Orion deployments before 2020.2.5 HF1 where users have node management write permissions. Risk is higher if delegated administrators manage only scoped groups but can reach other nodes.
Exploitation context
The sources do not show CISA KEV listing or active exploitation. The attacker must already be authenticated and authorized for some node management activity, so this is primarily an access-control bypass and privilege-boundary issue inside Orion.
Researcher notes
Evidence is incomplete: the bundle lacks CVSS, CWE mappings, and structured affected CPEs. The core issue is predictable node identifiers combined with improper authorization on node deletion. Avoid assuming unauthenticated reach or broader SolarWinds product impact.
Mitigation direction
- Upgrade SolarWinds Orion Platform to 2020.2.5 HF1 or later.
- Review SolarWinds advisory guidance for any version-specific instructions.
- Restrict node management permissions to only trusted administrators.
- Audit Orion accounts with write permissions and group-scoped node management rights.
- Monitor for unexpected node creation or deletion events.
Validation and detection
- Confirm the deployed Orion Platform version is not before 2020.2.5 HF1.
- Review role assignments for node management write permissions.
- Check whether delegated groups can affect nodes outside their intended scope.
- Audit recent node creation and deletion records for unexplained changes.
- Verify remediation against SolarWinds advisory guidance.
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.
CVE-2021-28674 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://pastebin.com/zFUd2cCjCVE reference · x_refsource_MISC
- https://www.solarwinds.com/trust-center/security-advisories/cve-2021-28674CVE reference · x_refsource_CONFIRM
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.
