VulnerabilityModified
CVE-2020-15110
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.
HIGH 8.1EPSS 1.11%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 1.11% probability · 64th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- jupyterhub/kubespawner
- Source
- security-advisories@github.com
References
- https://github.com/jupyterhub/kubespawner/commit/3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0Patch, Third Party Advisory
- https://github.com/jupyterhub/kubespawner/security/advisories/GHSA-v7m9-9497-p9grExploit, Third Party Advisory
- https://github.com/jupyterhub/kubespawner/commit/3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0Patch, Third Party Advisory
- https://github.com/jupyterhub/kubespawner/security/advisories/GHSA-v7m9-9497-p9grExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.