CVE-2019-15606

Exp

Including trailing white space in HTTP header values in Nodejs 10, 12, and 13 causes bypass of authorization based on header value comparisons

Published: 2020-02-07 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-15606 is rated High Exploit Risk (93.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 20.04%, 97th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +18.70% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2019-15606

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2019-15606

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.34% 20.04% +18.70%
2 2026-03-08 1.74% 1.34% -0.40%
3 2026-03-04 — 1.74% —

Full EPSS history (51 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-15606

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2019-15606

OS Trackers for CVE-2019-15606

vendor priority summary link
alpine — CVE-2019-15606: 2 source package rows (nodejs, nodejs-current); 32 state rows across 17 repos (3.10-main, 3.11-main, 3.12-main, 3.17-community, 3.17-main, 3.18-community, 3.18-main, 3.19-community, 3.19-main, 3.20-community, 3.20-main, 3.21-community, 3.21-main, 3.22-community, 3.22-main, edge-community, edge-main); fixed 17, open 15. https://security.alpinelinux.org/vuln/CVE-2019-15606
debian not yet assigned CVE-2019-15606 not yet assigned priority: Debian including 1 source packages (nodejs), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2019-15606
gentoo normal CVE-2019-15606: 1 GLSA(s) (202003-48), 1 atom(s) (net-libs/nodejs); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2019-15606
redhat medium — https://access.redhat.com/security/cve/CVE-2019-15606
suse high CVE-2019-15606 severity important: SUSE including 42 source package names (nodejs-12.16.1-1.module+el8.1.0+5811+44509afe, nodejs-devel-12.16.1-1.module+el8.1.0+5811+44509afe, …), 156 product×package rows across 25 product lines (SUSE Enterprise Storage 4, SUSE Enterprise Storage 7.1, … (25 product lines)): Fixed 97, Known Not Affected 59. https://www.suse.com/security/cve/CVE-2019-15606/
ubuntu medium CVE-2019-15606 medium priority: Ubuntu including 1 source packages (nodejs), 13 status rows across 13 suites (bionic, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, trusty, upstream, xenial): not-affected 8, ignored 2, released 2, needs-triage 1. https://ubuntu.com/security/CVE-2019-15606

Affected software / configurations for CVE-2019-15606

Vendor Product Version Raw CPE
nodejs node.js >= 10.0.0, < 10.19.0 cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
nodejs node.js >= 12.0.0, < 12.15.0 cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
nodejs node.js >= 13.0.0, < 13.8.0 cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
oracle communications_cloud_native_core_network_function_cloud_native_environment 1.4.0 cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.4.0:*:*:*:*:*:*:*
oracle graalvm 19.3.1 cpe:2.3:a:oracle:graalvm:19.3.1:*:*:*:enterprise:*:*:*
oracle graalvm 20.0.0 cpe:2.3:a:oracle:graalvm:20.0.0:*:*:*:enterprise:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
redhat enterprise_linux 8.0 cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
redhat enterprise_linux_eus 8.1 cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
opensuse leap 15.1 cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

References for CVE-2019-15606

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00008.html Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0573 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0579 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0597 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0598 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0602 Third Party Advisory
https://hackerone.com/reports/730779 Exploit Third Party Advisory
https://nodejs.org/en/blog/release/v10.19.0/ Release Notes Vendor Advisory
https://nodejs.org/en/blog/release/v12.15.0/ Release Notes Vendor Advisory
https://nodejs.org/en/blog/release/v13.8.0/ Vendor Advisory
https://nodejs.org/en/blog/vulnerability/february-2020-security-releases/ Vendor Advisory
https://security.gentoo.org/glsa/202003-48 Third Party Advisory
https://security.netapp.com/advisory/ntap-20200221-0004/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4669 Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html Third Party Advisory
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