CVE-2021-3654

mediumpriority · track · 33EPSS 0.268 · 98 %ileDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

26.8% (98th) EPSS

CVSS 4 · medium

Is it mine?

17 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

A vulnerability was found in openstack-nova's console proxy, noVNC. By crafting a malicious URL, noVNC could be made to redirect to any desired URL.

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:H/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 4.9 · impact 4.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Fsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-601USprimaryCWE-601US

affected products (17)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat OpenStack <16.2all versionscert_bundDE
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Red Hat OpenStack< 16.2cert_bundDE
n/a openstack-novaAffects - Nova: → 21.2.3, 22.0.0 <22.2.3, 23.0.0 <23.0.3 Fixed-In 21.2.3, 22.3.0, and 23.1.0enisa_euvdEU
openstack nova< 21.2.3nvdUScpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
openstack nova22.0.0 → 22.2.3nvdUScpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
openstack nova23.0.0 → 23.0.3nvdUScpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
redhat openstack platform= 16.1nvdUScpe:2.3:a:redhat:openstack_platform:*:*:*:*:*:*:*:*
redhat openstack platform= 16.2nvdUScpe:2.3:a:redhat:openstack_platform:*:*:*:*:*:*:*:*
PyPI nova< 21.2.3osvUSpkg:pypi/nova
PyPI nova22.0.0 → 22.2.3osvUSpkg:pypi/nova
PyPI nova23.0.0 → 23.0.3osvUSpkg:pypi/nova

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-0250Red Hat OpenStack: Mehrere SchwachstellenDeutsch2022-03-23csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Red Hat OpenStack ausnutzen, um vertrauliche Informationen offenzulegen, Sicherheitsmaßnahmen zu umgehen und einen Denial-of-Service-Zustand zu verursachen.
GHSA-vqp6-j452-j6wpOpen Redirect in CPython that affects users of OpenStack Nova2022-03-04ghsa · osvUS
A vulnerability was found in CPython which is used by openstack-nova's console proxy, noVNC. By crafting a malicious URL, noVNC could be made to redirect to any desired URL.
PYSEC-2026-693Open Redirect in CPython that affects users of OpenStack Nova2026-07-02vendor · osvUS
A vulnerability was found in CPython which is used by openstack-nova's console proxy, noVNC. By crafting a malicious URL, noVNC could be made to redirect to any desired URL.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2022-03-02modified 2026-06-17

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+2006 more

references (33)

External citations — patches, advisories, analysis.

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