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Fencer Vulns
medium 6.5

CVE-2020-15126 json

Information disclosure through Viewer query in parse-server

published 2020-07-22 6 y ago modified 2026-07-08 4 mo ago also GHSA-236h-rqv8-8q73 , EUVD-2020-0527

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

In parser-server from version 3.5.0 and before 4.3.0, an authenticated user using the viewer GraphQL query can by pass all read security on his User object and can also by pass all objects linked via relation or Pointer on his User object.

Patch / fix

  • npm parse-server 4.3.0
  • parseplatform parse_server 4.3.0

Exploit prediction

1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
npm parse-server
>=3.5.0, <4.3.0
4.3.0

Affected products

  • parse-community parse-server

Classification

Weakness

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.