CVE-2023-20855 json
VMware vRealize Orchestrator contains an XML External Entity (XXE) vulnerability.
published 2023-02-21 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25034
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
VMware vRealize Orchestrator contains an XML External Entity (XXE) vulnerability. A malicious actor, with non-administrative access to vRealize Orchestrator, may be able to use specially crafted input to bypass XML parsing restrictions leading to access to sensitive information or possible escalation of privileges.
Patch / fix
- vmware vrealize_automation 8.11.1
- vmware vrealize_orchestrator 8.11.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 19 mo ago
Exploit prediction
1.26% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- n/a VMware vRealize Orchestrator, VMware vRealize Automation, VMware Cloud Foundation
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
vmware.com
/security/advisories/VMSA-2023-0005.html
patch, vendor-advisory
Sources
- CVE List CVE-2023-20855
- NVD CVE-2023-20855
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.