Cyber Resilience

CVE-2023-2968

Proxy Project Proxy 2.0.0 … 2.1.1

Public PoC
Published
30 May 2023
Modified
21 November 2024
CVSS Score v3.1 7.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.015 72th percentile
Risk Priority 62 floored blend · peak EPSS

Summary

CVE-2023-2968 is a high-severity Improper Handling of Undefined Values (CWE-232) vulnerability in Proxy Project Proxy. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 28% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability Data

A remote attacker can trigger a denial of service in the socket.remoteAddress variable, by sending a crafted HTTP request. Usage of the undefined variable raises a TypeError exception.

CWE(s)

Related Threats

CVEs Like This One

CVE-2025-40775Shared CWE-232
CVE-2023-36848Shared CWE-232
CVE-2025-20314Shared CWE-232
CVE-2025-20192Shared CWE-232
CVE-2023-39914Shared CWE-232
CVE-2023-39915Shared CWE-232
CVE-2026-21689Shared CWE-232

Affected Assets

proxy project
proxy
2.0.0, 2.1.1

Mitigating Controls

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly require proper input validation and error handling for undefined values.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

Security testing in development can detect missing handling of undefined values before release.

prevents

Secure development life cycle requires handling of invalid/undefined inputs during design and coding.

prevents

Application security requirements include validation of all parameters and handling of unsupported values.

prevents

Secure architecture principles mandate explicit handling of undefined or unsupported states.

prevents

Secure coding standards directly require defensive checks for undefined or unsupported parameter values.

References