All vulnerabilities

Servers and applications

CVE-2023-27535

An authentication bypass vulnerability exists in libcurl <8.0.0 in the FTP connection reuse feature that can result in wrong credentials being used during subsequent transfers. Previously created connections are kept in a connection pool for reuse if they match the current setup. However, certain FTP settings such as CURLOPT_FTP_ACCOUNT, CURLOPT_FTP_ALTERNATIVE_TO_USER, CURLOPT_FTP_SSL_CCC, and…

Severity
Medium 5.9
Published
30 Mar 2023
Last changed
24 Oct 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
curlServers and applications · cpe:a:haxx:libcurl
  • From 7.13.0 up to 7.88.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-27535
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-27535