Cross-site request forgery (CSRF) vulnerability in MAHO-PBX NetDevancer Lite/Uni/Pro/Cloud prior to Ver.1.11.00, MAHO-PBX NetDevancer VSG L…

published 2023-01-17 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-26450

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits: 0; none known

Cross-site request forgery (CSRF) vulnerability in MAHO-PBX NetDevancer Lite/Uni/Pro/Cloud prior to Ver.1.11.00, MAHO-PBX NetDevancer VSG Lite/Uni prior to Ver.1.11.00, and MAHO-PBX NetDevancer MobileGate Home/Office prior to Ver.1.11.00 allows a remote unauthenticated attacker to hijack the user authentication and conduct user's unintended operations by having a user to view a malicious page while logged in.

Patch / fix

fixed in 3

ate-mahoroba maho-pbx_netdevancer_firmware 1.11.00
ate-mahoroba maho-pbx_netdevancer_vsg_firmware 1.11.00
ate-mahoroba maho-pbx_netdevancer_mobilegate_firmware 1.11.00

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 19 mo ago (2025-04-04)

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
NVD	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected products

Mahoroba Kobo, Inc. MAHO-PBX NetDevancer series

Classification

Weakness

CWE-352 Cross-Site Request Forgery

References

ate-mahoroba.jp /netdevancer/manual/
vendor-advisory
jvn.jp /en/jp/JVN99957889/index.html
third-party-advisory

Sources

CVE List CVE-2023-22286
NVD CVE-2023-22286

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