CVE-2020-28468

Name: CVE-2020-28468
Creator: NVD / NIST
Published: 2021-01-08T12:15:12.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.16%

Last modified Jun 17, 2026

CVE-2020-28468 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. This affects the package pwntools before 4.3.1. The shellcraft generator for affected versions of this module are vulnerable to Server-Side Template Injection (SSTI), which can lead to remote code execution.. EPSS estimates a 4.16% chance of exploitation in the next 30 days.

Description

This affects the package pwntools before 4.3.1. The shellcraft generator for affected versions of this module are vulnerable to Server-Side Template Injection (SSTI), which can lead to remote code execution.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.16%

89.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Pwntools Project	Pwntools	< 4.3.1

References

https://github.com/Gallopsled/pwntools/issues/1427Exploit, Issue Tracking, Third Party Advisory
https://github.com/Gallopsled/pwntools/pull/1732Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-PYTHON-PWNTOOLS-1047345Exploit, Patch, Third Party Advisory
https://github.com/Gallopsled/pwntools/issues/1427Exploit, Issue Tracking, Third Party Advisory
https://github.com/Gallopsled/pwntools/pull/1732Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-PYTHON-PWNTOOLS-1047345Exploit, Patch, Third Party Advisory

Timeline

Published: Jan 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28468?

How severe is CVE-2020-28468?

CVE-2020-28468 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.16% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28468?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28468?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST