Security readout for executives and security teams
Plain-English summary
VMware vRealize Operations has a CSRF bypass issue that could let an attacker cause an authenticated user to perform actions inside the platform. The business risk is highest where vROps manages important monitoring or operational workflows and privileged users access it through a browser.
Executive priority
Treat as high priority for environments using vROps 8.6.4, especially where it supports monitoring or operational control. No active exploitation is cited, but the potential impact is broad if a privileged user is targeted.
Technical view
CVE-2023-20856 is a CWE-352 cross-site request forgery bypass in VMware vRealize Operations Manager 8.6.4. CVSS 3.1 is 8.8 with network attack vector, low complexity, no attacker privileges, required user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to organizations running VMware vRealize Operations Manager 8.6.4. Risk increases when authenticated administrative or operational users can access vROps from browsers and can be socially engineered into interacting with attacker-controlled content.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The documented attack model requires user interaction and depends on an authenticated victim session, but successful abuse could execute vROps actions as that user.
Researcher notes
Evidence identifies a CSRF bypass with high CIA impact and required user interaction. The bundle does not include exploit details, fixed build numbers, or indicators of compromise, so validation should focus on version exposure, vendor advisory status, and suspicious authenticated actions.
Mitigation direction
- Inventory vROps deployments and identify any 8.6.4 instances.
- Review VMware VMSA-2023-0002 for fixed versions or vendor mitigations.
- Apply VMware-recommended updates through normal change control.
- Restrict vROps access to trusted users and management networks where feasible.
- Prioritize remediation for instances used by privileged administrators.
Validation and detection
- Confirm installed vROps versions against the affected 8.6.4 entry.
- Check whether VMware VMSA-2023-0002 remediation has been applied.
- Review access logs for unusual actions by privileged vROps users.
- Verify administrative access paths are limited and monitored.
- Document residual exposure if patch status cannot be confirmed.
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-352: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2023-20856 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
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.vmware.com/security/advisories/VMSA-2023-0002.htmlCVE reference
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.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.