UpHeron
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Servers and applications

CVE-2017-6377

When adding a private file via the editor in Drupal 8.2.x before 8.2.7, the editor will not correctly check access for the file being attached, resulting in an access bypass.

Severity
High 7.5
Published
16 Mar 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.9% in the next 30 daysHigher than 79% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Incorrect authorization (CWE-863)
Attack
Over the network · No login needed · No user action needed
Attacker can
Change data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Sources
NVD

Affected software

SoftwareAffected versions
DrupalServers and applications · cpe:a:drupal:drupal
  • Version 8.2.6
  • Version 8.2.5
  • Version 8.2.4
  • Version 8.2.3
All 12 release lines
  • Version 8.2.0-beta1
  • Version 8.2.0-beta2
  • Version 8.2.0-beta3
  • Version 8.2.0-rc1
  • Version 8.2.0-rc2
  • Version 8.2.0
  • Version 8.2.1
  • Version 8.2.2
  • Version 8.2.3
  • Version 8.2.4
  • Version 8.2.5
  • Version 8.2.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-6377
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-6377