AUGUST 4, 2026
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Case File

CVE-2023-27533

HIGH · CVSS 8.8 EPSS 1.99% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-03-30 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-27533
Severity
HIGH
CVSS
8.8
EPSS
1.99%

Original NVD Description

A vulnerability in input validation exists in curl <8.0 during communication using the TELNET protocol may allow an attacker to pass on maliciously crafted user name and "telnet options" during server negotiation. The lack of proper input scrubbing allows an attacker to send content or perform option negotiation without the application's intent. This vulnerability could be exploited if an application allows user input, thereby enabling attackers to execute arbitrary code on the system.

Related CVEs

Other vulnerabilities affecting the same vendor(s)