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

CVE-2021-25763

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

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

MEDIUM · CVSS 5.3 EPSS 2e-05
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-327Use of a Broken or Risky Cryptographic Algorithm
▤

Affected Products & Versions

1
jetbrains ktor< 1.4.2
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Feb 2021 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://blog.jetbrains.comProduct
https://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/Vendor Advisory
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