CVEvulnerability
CVE-2020-15110
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-07-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:N
- Weaknesses
- CWE-863
Description
In jupyterhub-kubespawner before 0.12, certain usernames will be able to craft particular server names which will grant them access to the default server of other users who have matching usernames. This has been fixed in 0.12.
Affected configurations
• jupyterhub kubespawner (< 0.12)
Related
Weakness · CWE (1)
- CWE-863 Incorrect Authorization weakness
References
- https://github.com/jupyterhub/kubespawner/commit/3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0 Patch, Third Party Advisory
- https://github.com/jupyterhub/kubespawner/security/advisories/GHSA-v7m9-9497-p9gr Exploit, Third Party Advisory
- https://github.com/jupyterhub/kubespawner/commit/3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0 Patch, Third Party Advisory
- https://github.com/jupyterhub/kubespawner/security/advisories/GHSA-v7m9-9497-p9gr Exploit, Third Party Advisory