Every CVESearch/Get API key

CVE-2021-40494

AdaptiveScale LXDUI Hardcoded JWT Secret Key

9.8 Critical

A Hardcoded JWT Secret Key in metadata.py in AdaptiveScale LXDUI through 2.1.3 allows attackers to gain admin access to the host system.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.75%Up 1.3 points since Sep 3, 2021
90%50%10%1%

What each source reports

NVD Score used9.8

A Hardcoded JWT Secret Key in metadata.py in AdaptiveScale LXDUI through 2.1.3 allows attackers to gain admin access to the host system.

Record
CVE-2021-40494
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-798
Updated
2026-11-02
CVE ListNo score

A Hardcoded JWT Secret Key in metadata.py in AdaptiveScale LXDUI through 2.1.3 allows attackers to gain admin access to the host system.

Record
CVE-2021-40494
Updated
2026-11-02
EUVDEUVD-2021-0115No score

A Hardcoded JWT Secret Key in metadata.py in AdaptiveScale LXDUI through 2.1.3 allows attackers to gain admin access to the host system.

Record
EUVD-2021-0115
Updated
2026-11-03
GitHub AdvisoriesGHSA-p4xh-4869-8vrg9.3

AdaptiveScale LXDUI Hardcoded JWT Secret Key

A Hardcoded JWT Secret Key in __metadata__.py metadata.py in AdaptiveScale LXDUI through 2.1.3 allows attackers to gain admin access to the host system.

Record
GHSA-p4xh-4869-8vrg
CVSS 4.0
9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-798
Updated
2026-11-02
OSV9.8

A Hardcoded JWT Secret Key in metadata.py in AdaptiveScale LXDUI through 2.1.3 allows attackers to gain admin access to the host system.

Record
CVE-2021-40494
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-p4xh-4869-8vrg9.3

AdaptiveScale LXDUI Hardcoded JWT Secret Key

A Hardcoded JWT Secret Key in __metadata__.py metadata.py in AdaptiveScale LXDUI through 2.1.3 allows attackers to gain admin access to the host system.

Record
GHSA-p4xh-4869-8vrg
CVSS 4.0
9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-798
Updated
2026-11-02
OSVPYSEC-2021-342No score

A Hardcoded JWT Secret Key in metadata.py in AdaptiveScale LXDUI through 2.1.3 allows attackers to gain admin access to the host system.

Record
PYSEC-2021-342
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
lxdui
PyPI
through 2.1.3None known
lxdui
PyPI
through 2.1.3, plus listed versions
1.0.1
None known
lxdui
PyPI
All versions, plus listed versions
1.0.1
None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-40494 is a critical vulnerability (CVSS 9.8) in Adaptivescale Lxdui, published September 3, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.75%, the 78th percentile. No source names a fixed version.

References

PagesAll vulnerabilitiesBrowseDocsSourcesGuideGet API key
MoveEnter Open