What is CVE-2021-27375?

CVE-2021-27375 is a medium-severity vulnerability in Containous Traefik, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 5.3/10. Published 2021-02-18.

How severe is CVE-2021-27375?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Containous Traefik

CVE-2021-27375

Traefik before 2.4.5 allows the loading of IFRAME elements from other domains.

EPSS: 0.008 (51.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Containous Traefik
N/a — versions n/a

Weakness classification (CWE)

CWE-1021 — Improper Restriction of Rendered UI Layers or Frames (Clickjacking)

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_CONFIRM, Release Notes)

Frequently asked questions

What is CVE-2021-27375?: CVE-2021-27375 is a medium-severity vulnerability in Containous Traefik, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 5.3/10. Published 2021-02-18.
How severe is CVE-2021-27375?: Medium severity. CVSS v3 base score is 5.3 out of 10.