Vulnerability in Haxx Curl
CVE-2023-27533
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…
EPSS: 0.020 (78.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support@hackerone.com (Exploit, Third Party Advisory)
- support@hackerone.com (vendor-advisory, Mailing List, Third Party Advisory)
- support@hackerone.com (Third Party Advisory)
- support@hackerone.com (mailing-list, Mailing List)
- support@hackerone.com (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-27533?
- CVE-2023-27533 is a high-severity vulnerability in Haxx Curl, classified under CWE-75. CVSS score: 8.8/10. Published 2023-03-30.
- How severe is CVE-2023-27533?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-27533 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.