CVE-2021-40494 json
AdaptiveScale LXDUI Hardcoded JWT Secret Key
published 2021-09-03 5 y ago modified 2026-06-17 4 mo ago also GHSA-p4xh-4869-8vrg , PYSEC-2021-342 , EUVD-2021-0115
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- github.com/AdaptiveScale/lxdui@e4bffeb commit
- github.com/AdaptiveScale/lxdui#353 pull request
Exploit prediction
1.75% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | lxdui | <=2.1.3 all versions |
no fix listed |
Classification
- Weakness
-
- CWE-798 Use of Hard-coded Credentials
References
-
github.com
/AdaptiveScale/lxdui/pull/353
web, third-party-advisory
-
github.com
/AdaptiveScale/lxdui/commit/e4bffeb9d69a5700a642cb6424453d1894e50d84
web
-
nvd.nist.gov
/vuln/detail/CVE-2021-40494
advisory
-
github.com
/AdaptiveScale/lxdui
package
-
github.com
/pypa/advisory-database/tree/main/vulns/lxdui/PYSEC-2021-342.yaml
web
-
github.com
/advisories/GHSA-p4xh-4869-8vrg
advisory
Sources
- CVE List CVE-2021-40494
- GitHub Advisory GHSA-p4xh-4869-8vrg
- NVD CVE-2021-40494
- OSV PYSEC-2021-342
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