CVE-2020-15801

CRITICAL

9.8

CVSS Score

Published: July 17, 2020 at 02:15 AM UTC

Updated: October 14, 2026 at 10:17 AM UTC

2 products affected across 2 vendorsPythonMax Data· also runs on 1 platform

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

CRITICAL9.8

Exploit prediction

EPSS 4%

Description

In Python 3.8.4, sys.path restrictions specified in a python38._pth file are ignored, allowing code to be loaded from arbitrary locations. The <executable-name>._pth file (e.g., the python._pth file) is not affected.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Max Data · NetAppdrupal

95%

All versions

Python · Python

95%

3.7.0 ≤ v < 3.7.93.8.0 ≤ v < 3.8.5

Affected range stops below 3.7.9, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.8.5, so it looks safe — our inference, not a vendor statement

microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Windows · Microsoft

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

x_refsource_MISCIssue TrackingPatchVendor Advisory

Source: [email protected]

https://bugs.python.org/issue41304

x_refsource_MISCPatchVendor Advisory

Source: [email protected]

https://github.com/python/cpython/pull/21495

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

https://security.netapp.com/advisory/ntap-20200731-0003/

Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

https://cert-portal.siemens.com/productcert/html/ssa-398330.html

CVSS

9.8CRITICAL[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-426

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card