CVE-2021-25763

MEDIUM 5.3CVE-2021-25763 · Published 03/02/2021 · updated 17/06/2026

In short

CVE-2021-25763 is a MEDIUM (CVSS 5.3) vulnerability affecting ktor (jetbrains).
Chance of exploitation in the next 30 days (EPSS): 0.55%, higher than 45.9% of all vulnerabilities.
Fix: update to 1.4.2 or later.

Package	Affected versions	Patched versions
ktor jetbrains	`< 1.4.2`	`1.4.2`

In JetBrains Ktor before 1.4.2, weak cipher suites were enabled by default.

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