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Fencer Vulns
high 8.1

CVE-2019-11404 json

Missing Encryption of Sensitive Data in arrow-kt Arrow

published 2019-04-21 7 y ago modified 2026-06-17 4 mo ago also GHSA-rcj2-vvjx-87pm , EUVD-2019-0434

cvss
8.1
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

arrow-kt Arrow before 0.9.0 resolved Gradle build artifacts (for compiling and building the published JARs) over HTTP instead of HTTPS. Any of these dependent artifacts could have been maliciously compromised by an MITM attack.

Patch / fix

  • maven io.arrow-kt:arrow-ank-gradle 0.9.0
  • arrow-kt arrow 0.9.0

Exploit prediction

1.14% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/arrow-kt/ank/issues/35 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/arrow-kt/arrow/issues/1310 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.1 CVSS:3.0/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N
CNA 3.0 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N
GitHub 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven io.arrow-kt:arrow-ank-gradle
<0.9.0
0.9.0

Classification

Weakness
  • CWE-311 Missing Encryption of Sensitive Data

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.