CVE-2021-20201

mediumPriorität · verfolgen · 22EPSS 0.027 · 86. PerzentilEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
2.70% (86th) EPSS
CVSS 5 · medium
Is it mine?
33 products
Prüfe deine Angriffsfläche
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · bewertet 2026-10-28

A flaw was found in spice in versions before 0.14.92. A DoS tool might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection.

01

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

  • Behobenspice-0:0.14.3-4.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-debugsource-0:0.14.3-4.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-debugsource-0:0.14.3-4.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-debugsource-0:0.14.3-4.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-debugsource-0:0.14.3-4.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-debugsource-0:0.14.3-4.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-debugsource-0:0.14.3-4.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-server-0:0.14.3-4.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-server-0:0.14.3-4.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-server-0:0.14.3-4.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-server-debuginfo-0:0.14.3-4.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-server-debuginfo-0:0.14.3-4.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-server-debuginfo-0:0.14.3-4.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-server-debuginfo-0:0.14.3-4.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-server-debuginfo-0:0.14.3-4.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-server-debuginfo-0:0.14.3-4.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-server-devel-0:0.14.3-4.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-server-devel-0:0.14.3-4.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
  • Behobenspice-server-devel-0:0.14.3-4.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1924
02

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

5.3
010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 2.9
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 1.4
v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · FSTEC (BDU) RU
v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · Red Hat Product Security US
03

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-400USCWE-400USCWE-400US
04

betroffene Produkte (33)

Betroffene Produkte und Versionsbereiche.

20 von 33 angezeigt
05

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

  • RHSA-2021:1924Red Hat Security Advisory: spice security update2021-05-18csaf · redhat_csafUS

    An update for spice is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

06

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

07

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvdenisa_euvdfstec_bdunvdredhat_csafNVDCVE.orgMITRE
veröffentlicht 2021-05-28geändert 2026-06-17
08

Referenzen (20)

Externe Belege — Patches, Meldungen, Analysen.

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