All vulnerabilities

Servers and applications

CVE-2015-3419

vBulletin 5.x through 5.1.6 allows remote authenticated users to bypass authorization checks and inject private messages into conversations via vectors related to an input validation failure.

Severity
Medium 6.5
Published
19 Sept 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1% in the next 30 daysHigher than 62% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · Needs a user account · No user action needed
Attacker can
Change data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Sources
NVD

Affected software

SoftwareAffected versions
vBulletinServers and applications · cpe:a:vbulletin:vbulletin
  • Version 5.1.6
  • Version 5.1.6-beta_2
  • Version 5.1.5
  • Version 5.1.5-beta_3
All 23 release lines
  • Version 5.0.0-beta_11
  • Version 5.0.0-beta_28
  • Version 5.0.1
  • Version 5.0.2
  • Version 5.0.3
  • Version 5.0.4
  • Version 5.0.5
  • Version 5.1.0-rc1
  • Version 5.1.0
  • Version 5.1.1
  • Version 5.1.2-beta1
  • Version 5.1.2-rc1
  • Version 5.1.2-rc2
  • Version 5.1.3-alpha5
  • Version 5.1.3-rc1
  • Version 5.1.3
  • Version 5.1.4-rc1
  • Version 5.1.4
  • Version 5.1.5-beta_1
  • Version 5.1.5-beta_3
  • Version 5.1.5
  • Version 5.1.6-beta_2
  • Version 5.1.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-3419
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-3419