An Authorization Bypass Through User-Controlled Key vulnerability [CWE-639] affecting PortiPortal version 7.2.1 and below, version 7.0.6 an…

published 2024-01-10 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-52816

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 22.2%; EPSS 22.2% chance of exploitation in 30 days, percentile 97%
public exploits: 0; none known

An Authorization Bypass Through User-Controlled Key vulnerability [CWE-639] affecting PortiPortal version 7.2.1 and below, version 7.0.6 and below, version 6.0.14 and below, version 5.3.8 and below may allow a remote authenticated user with at least read-only permissions to access to other organization endpoints via crafted GET requests.

Patch / fix

fixed in 1

fortinet fortiportal 7.0.7, 7.2.2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-01-10)

Exploit prediction

22.24% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.9	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:P/RL:X/RC:R
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected products

Fortinet FortiPortal

Classification

Weakness

CWE-639 Authorization Bypass Through User-Controlled Key

Technology feeds

Fortinet rss critical rss

References

fortiguard.com /psirt/FG-IR-23-408
vendor-advisory

Sources

CVE List CVE-2023-48783
NVD CVE-2023-48783

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.

Summary