9.1

CVE-2023-45613: jetbrains ktor Improper Certificate Validation

CVSS: 9.1v3.1CriticalModified
Published 09-10-2023Last modified 18-09-2024
Open JSON

Vulnerability summary

CVE-2023-45613 is a critical (CVSS 9.1) Improper Certificate Validation vulnerability in jetbrains ktor. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 26.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
0.35%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-10-2023
    PublishedVulnerability first disclosed.
  2. 18-09-2024
    Last modifiedVulnerability information updated.

Description

In JetBrains Ktor before 2.3.5 server certificates were not verified

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.35%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

+0.05 pp

From 0.30% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.35%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Jetbrains1 product

1 vendor · 1 product

References

1 links