CVE-2019-19703: jetbrains ktor Open Redirect
CVSS: 6.1v3.1MediumModified
AliasesGHSA-xwgq-pcqx-hpmv
Published 10-12-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-19703 is a medium (CVSS 6.1) Open Redirect vulnerability in jetbrains ktor. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
0.64%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 10-12-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In Ktor through 1.2.6, the client resends data from the HTTP Authorization header to a redirect location.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- OSV · MavenEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.64%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
0.00 pp
From 0.64% on 19-09-2026
19-09-202619-10-2026
EPSS score0.64%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundKtor
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Io.ktor1 product
- ktor-client-core< 1.3.0
Jetbrains1 product
- ktor≤ 1.2.6
2 vendors · 2 products