CVE-2019-11284

mediumpriority · track · 34EPSS 0.009 · 59 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.89% (59th) EPSS

CVSS 5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–8.6

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.18.6highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 4

v3.06.8mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:Nsecondary · ENISA EU

v3.06.8mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:Nsecondary · security@pivotal.ioexploitability 2.2 · impact 4

v3.18.6highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:Nsecondary · OSV

v3.17.9highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-522USprimaryCWE-522US

affected products (4)

Products and version ranges known to be affected.

Pivotal Reactor Netty≤ prior to v0.8.11.RELEASEenisa_euvdEU
broadcom reactor netty0.8.0 → 0.8.11nvdUScpe:2.3:a:broadcom:reactor_netty:*:*:*:*:*:*:*:*
pivotal reactor netty0.8.0 → 0.8.11nvdUScpe:2.3:a:pivotal:reactor_netty:*:*:*:*:*:*:*:*
Maven io.projectreactor.netty:reactor-netty< 0.8.11osvUSpkg:maven/io.projectreactor.netty/reactor-netty

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-j52r-xc68-q8f4Insufficiently Protected Credentials in Pivotal Reactor Netty2019-10-23ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2019-10-17modified 2026-06-17

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+1718 more

references (5)

External citations — patches, advisories, analysis.

scry

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