UpHeron
All vulnerabilities

Servers and applications

CVE-2021-29487

Auth Bypass

Severity
High 7.4
Published
26 Aug 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.0.472, 1.1.5
Also known as
GHSA-h76r-vgf3-j6w5
Sources
NVD, Project advisories (GitHub)

Description

octobercms in a CMS platform based on the Laravel PHP Framework. In affected versions of the october/system package an attacker can exploit this vulnerability to bypass authentication and takeover of and user account on an October CMS server. The vulnerability is exploitable by unauthenticated users via a specially crafted request. This only affects frontend users and the attacker must obtain a…

Affected software

SoftwareAffected versions
October CMSServers and applications · cpe:a:octobercms:october
  • From 1.0.471 before 1.0.472
  • From 1.1.1 before 1.1.5
October CMSServers and applications · github:octobercms/october
  • Version 1.0.471
  • Version 1.1.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-29487
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-29487
  • GitHub Advisory Database https://github.com/advisories/GHSA-h76r-vgf3-j6w5
  • github.com https://github.com/octobercms/october/security/advisories/GHSA-h76r-vgf3-j6w5