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CVE-2020-28468

30
FAUCET Score

CVE-2020-28468 affects the pwntools package prior to version 4.3.1, specifically its shellcraft generator. This vulnerability is a Server-Side Template Injection (SSTI) that can lead to remote code execution. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. Despite its critical severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.3.1CPE matchmatch criteria
cpe:2.3:a:pwntools_project:pwntools:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.20%
Probability of exploitation in next 30 days
EPSS Percentile
89.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0420 is in the 83rd percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: pwntoolsFixed in: 4.3.1

Vendor Advisories (1)

pipGHSA-7xc5-ggpp-g249critical

pwntools Server-Side Template Injection (SSTI) vulnerability

Apr 20, 2021

References

github.com / Gallopsled/pwntools/issues/1427
ExploitIssue TrackingThird Party Advisory
github.com / Gallopsled/pwntools/pull/1732
PatchThird Party Advisory
snyk.io / vuln/SNYK-PYTHON-PWNTOOLS-1047345
ExploitPatchThird Party Advisory