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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-33965

26
FAUCET Score

CVE-2023-33965 describes a drive-by command injection vulnerability in the tproxy server component of Brook, a cross-platform programmable network tool. This high-severity vulnerability (CVSS 8.8) allows an attacker to achieve remote code execution by tricking a victim into visiting a malicious webpage that triggers requests to the local tproxy service. While a patch is available in version 20230606, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 20230606CPE matchmatch criteria
cpe:2.3:a:txthinking:brook:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.6CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.58%
Probability of exploitation in next 30 days
EPSS Percentile
73.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0158 is in the 72nd percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/txthinking/brookFixed in: 20230606

Vendor Advisories (1)

goGHSA-vfrj-fv6p-3cpfcritical

Brook's tproxy server is vulnerable to a drive-by command injection.

Jun 6, 2023

References

github.com / txthinking/brook/commit/314d7070c37babf6c38a0fe1eada872bb74bf03e
Patch
github.com / txthinking/brook/security/advisories/GHSA-vfrj-fv6p-3cpf
Vendor Advisory