🛡️ CVE-2021-39160 — nbgitpuller
Description
Code injection in nbgitpuller
Impact
Due to an unsanitized input, visiting maliciously crafted links could result in arbitrary code execution in the user environment.
Patches
0.10.2
Workarounds
None, other than upgrade to 0.10.2 or downgrade to 0.8.x.
For more information
If you have any questions or comments about this advisory:
- Open an issue in [nbgitpuller](https://github.com/jupyterhub/nbgitpuller/issues)
- Email our security team at [[email protected]](mailto:[email protected])
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. Rated impact: confidentiality high, integrity high, availability high.
Weakness class
CVE-2021-39160 is classified as CWE-78: OS Command Injection. Untrusted input reaches a shell command without neutralisation, so an attacker can run arbitrary operating system commands.
Affected software
CVE-2021-39160 is recorded against 1 package.
- nbgitpuller (from 0.9.0 up to 0.10.2)
Timeline and source
Published on 30 August 2021 and last revised on 8 July 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.
References
github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
github.com (Web)
github.com (Web)
Details
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| nbgitpuller | 0.9.0 | 0.10.2 |
References
Similar Threats
- Unknown PYSEC-2021-316
More CVE 2021 advisories
Browse all of CVE 2021 in the advisory index.
Site Security Check
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