What is CVE-2024-56521?

CVE-2024-56521 is a critical-severity vulnerability in Tcpdf_project Tcpdf, classified under Improper Certificate Validation. CVSS score: 9.8/10. Published 2024-12-27.

How severe is CVE-2024-56521?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Tcpdf_project Tcpdf

CVE-2024-56521

An issue was discovered in TCPDF before 6.8.0. If libcurl is used, CURLOPT_SSL_VERIFYHOST and CURLOPT_SSL_VERIFYPEER are set unsafely.

Vulnerability class: Improper Certificate Validation

EPSS: 0.007 (50.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tcpdf_project Tcpdf
Tecnick Tcpdf — versions 0

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

cve@mitre.org (Product)
cve@mitre.org (Patch)
cve@mitre.org (Product)

Frequently asked questions

What is CVE-2024-56521?: CVE-2024-56521 is a critical-severity vulnerability in Tcpdf_project Tcpdf, classified under Improper Certificate Validation. CVSS score: 9.8/10. Published 2024-12-27.
How severe is CVE-2024-56521?: Critical severity. CVSS v3 base score is 9.8 out of 10.