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Fencer Vulns
high 7.5

CVE-2017-1000048 json

Prototype Pollution Protection Bypass in qs

published 2017-07-13 9 y ago modified 2026-06-17 4 mo ago also GHSA-gqgv-6jq5-jjj9 , EUVD-2020-0380

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

the web framework using ljharb's qs module older than v6.3.2, v6.2.3, v6.1.2, and v6.0.4 is vulnerable to a DoS. A malicious user can send a evil request to cause the web framework crash.

Patch / fix

  • npm qs 6.0.4, 6.1.2, 6.2.3, 6.3.2
  • rh-nodejs6-nodejs-qs RHEL 2 SOFTWARE_COLLECTIONS 6.2.3-1.el6
  • rh-nodejs6-nodejs-qs RHEL 2 SOFTWARE_COLLECTIONS 6.2.3-1.el7

red hat advisories RHSA-2017:2672

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-1000048 updated cvss 5.3

nodejs-qs: Prototype override protection bypass

  • Red Hat Mobile Application Platform 4 fh-scm, fh-ngui, fh-mbaas, fh-statsd, fh-supercore
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Enterprise 3 nodejs-qs
    under investigation
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-nodejs6-nodejs-qs 6.2.3-1.el6 Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-nodejs6-nodejs-qs 6.2.3-1.el7 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-nodejs6-nodejs-qs 6.2.3-1.el6 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-nodejs6-nodejs-qs 6.2.3-1.el7 Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-nodejs6-nodejs-qs 6.2.3-1.el6 Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-nodejs6-nodejs-qs 6.2.3-1.el7
    fixed: vendor fix RHSA-2017:2672
  • Red Hat Quay 3 quay/quay-rhel8 Red Hat Software Collections rh-nodejs4-nodejs-qs
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.42% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
npm qs
<6.0.4
>=6.1.0, <6.1.2
>=6.2.0, <6.2.3
>=6.3.0, <6.3.2
6.0.4
6.1.2
6.2.3
6.3.2

Classification

Weakness
  • CWE-20 Improper Input Validation

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.