CVE-2023-27533

8.8 HIGH
Published: March 30, 2023 Modified: February 13, 2026
View on 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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://hackerone.com/reports/1891474
Source: support@hackerone.com
Exploit Third Party Advisory
https://security.gentoo.org/glsa/202310-12
Source: support@hackerone.com
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230420-0011/
Source: support@hackerone.com
Third Party Advisory
https://hackerone.com/reports/1891474
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00025.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
https://security.gentoo.org/glsa/202310-12
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230420-0011/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.1%
35th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

fedoraproject netapp haxx splunk