CVE-2019-11284 json
Reactor Netty authentication leak in redirects
published 2019-10-17 7 y ago modified 2026-09-04 2 mo ago also GHSA-j52r-xc68-q8f4 , EUVD-2019-0705
- cvss
- 6.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
Pivotal Reactor Netty, versions prior to 0.8.11, passes headers through redirects, including authorization ones. A remote unauthenticated malicious user may gain access to credentials for a different server than they have access to.
Patch / fix
- maven io.projectreactor.netty:reactor-netty 0.8.11
- broadcom reactor_netty 0.8.11
Exploit prediction
0.90% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 6.8 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N |
| NVD | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | io.projectreactor.netty:reactor-netty | <0.8.11 |
0.8.11 |
Affected products
- Pivotal Reactor Netty
Classification
- Weakness
-
- CWE-522 Insufficiently Protected Credentials
References
-
pivotal.io
/security/cve-2019-11284
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-11284
advisory
Sources
- CVE List CVE-2019-11284
- GitHub Advisory GHSA-j52r-xc68-q8f4
- NVD CVE-2019-11284
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