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Fencer Vulns
high 7.9

CVE-2020-11073 json

Remote Code Execution in Autoswitch Python Virtualenv

published 2020-05-13 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3441

cvss
7.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

In Autoswitch Python Virtualenv before version 0.16.0, a user who enters a directory with a malicious `.venv` file could run arbitrary code without any user interaction. This is fixed in version: 1.16.0

Patch / fix

  • autoswitch_python_virtualenv_project autoswitch_python_virtualenv 1.16.0

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/MichaelAquilina/zsh-autoswitch-virtualenv/issues/122 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • MichaelAquilina zsh-autoswitch-virtualenv

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.