What is the CVSS score of CVE-2023-20855?

CVE-2023-20855 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.3%.

Is there a patch available for CVE-2023-20855?

Yes, a patch is available for CVE-2023-20855. Update the affected software to the latest version immediately.

Vrealize Orchestrator CVE-2023-20855

HIGH

Improper Restriction of XML External Entity Reference (CWE-611)

2023-02-22 security@vmware.com

XXE VMware Vrealize Orchestrator Vrealize Automation

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Feb 22, 2023 - 00:15 nvd

HIGH 8.8

DescriptionNVD

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.

AnalysisAI

VMware vRealize Orchestrator contains an XML External Entity (XXE) vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. 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. Affected products include: Vmware Vrealize Automation, Vmware Vrealize Orchestrator.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Disable external entity processing in XML parsers, use JSON instead of XML where possible.