PT-2021-16775 · Jetbrains · Jetbrains Ktor

Kaiwen Shen + 2 · Published 2021-02-03 · Updated 2021-02-05 · CVE-2021-25763

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions JetBrains Ktor versions prior to 1.4.2

Description The issue is related to weak cipher suites being enabled by default. This could potentially lead to security risks.

Recommendations For versions prior to 1.4.2, update to version 1.4.2 or later to resolve the issue. As a temporary workaround, consider disabling the use of weak cipher suites until a patch is available. Restrict access to sensitive data to minimize the risk of exploitation.

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

Related Identifiers

CVE-2021-25763

Affected Products

Jetbrains Ktor

References · 5

• https://osv.dev/vulnerability/CVE-2021-25763 · Vendor Advisory
• https://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-25763 · Security Note
• https://t.me/cibsecurity/23025 · Telegram Post
• https://blog.jetbrains.com · Note