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CVE Record

CVE-2020-23793: An issue was discovered in spice-server spice-server-0.14.0-6.el7_6.1.x86_64 of Redhat's VDI product.

An issue was discovered in spice-server spice-server-0.14.0-6.el7_6.1.x86_64 of Redhat's VDI product. There is a security vulnerablility that can restart KVMvirtual machine without any authorization. It is not yet known if there will be other other effects.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE describes a reported flaw in a specific spice-server build used in a Red Hat VDI/KVM context. The reported impact is unauthorized restart of a KVM virtual machine. Business impact is mainly service disruption. Public details are sparse, with no CVSS score, CWE, confirmed patch, or broader product matrix in the provided sources.

Executive priority

Treat as a watch-and-validate item unless your organization runs the cited SPICE/KVM VDI stack. If present in production, prioritize containment and vendor confirmation because unauthorized VM restarts can disrupt business services.

Technical view

The record reports spice-server 0.14.0-6.el7_6.1.x86_64 can restart a KVM virtual machine without authorization. The source bundle does not define the attack vector, prerequisites, affected CPEs, exploit maturity, or whether impacts extend beyond VM restart. Treat this as an incomplete availability and access-control issue until vendor guidance clarifies scope.

Likely exposure

Likely exposure is limited to environments using the cited spice-server build in SPICE-based Red Hat VDI or KVM deployments. Formal affected product metadata is listed as unavailable, so asset inventory must confirm whether the exact package or related vendor-supported builds are present.

Exploitation context

The provided sources do not show CISA KEV listing, active exploitation, exploit code, or confirmed in-the-wild abuse. The GitHub reference appears to be the primary public technical reference, but the CVE record provides limited operational detail.

Researcher notes

Evidence is incomplete: no CVSS, CWE, CPE, patch reference, or detailed root-cause analysis is included in the bundle. Avoid assuming broader Red Hat or SPICE exposure without vendor confirmation. The main supported claim is unauthorized KVM VM restart in the cited spice-server build.

Mitigation direction

  • Check Red Hat and SPICE vendor guidance for confirmed affected versions and fixes.
  • Identify and prioritize systems running the cited spice-server package build.
  • Restrict SPICE, VDI, and KVM management access to trusted administrative networks.
  • Monitor VDI and hypervisor logs for unexpected VM restart events.
  • Apply vendor-supported updates once a confirmed fix is identified.

Validation and detection

  • Inventory installed spice-server package versions across VDI and KVM hosts.
  • Confirm whether any assets match 0.14.0-6.el7_6.1.x86_64.
  • Review access controls for SPICE, VDI, and virtualization management paths.
  • Check historical logs for unexplained or unauthorized VM restarts.
  • Track the CVE record and vendor advisories for updated scope.
Prepared
Confidence
low
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2020-23793 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.