VULNERABILITY INTELLIGENCE

CVE-2023-27533

CVSS score8.8 HIGH
EPSS probability2.16%
CISA KEVNot currently listed
Published2023-03-30
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • support@hackerone.com: CWE-75
  • nvd@nist.gov: CWE-74

Primary references