CVE-2023-36483 | MAS (a Carrier brand) MASmobile Classic Authorization Bypass

Authorization bypass can be achieved by session ID prediction in MASmobile Classic Android  version 1.16.18 and earlier and MASmobile Classic iOS version 1.7.24 and earlier which allows remote attackers to retrieve sensitive data  including customer data, security system status, and event history.

Published: 2024-03-16 Last update: 2026-02-25 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-36483 is rated Low Risk (39.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.50%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-36483

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.18% 0.50% +0.32%
2 2026-02-19 0.08% 0.18% +0.09%
3 2025-11-21 0.08%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-36483

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 3.6 [email protected]

Weakness enumeration for CVE-2023-36483

Affected software / configurations for CVE-2023-36483

Vendor Product Version Raw CPE
honeywell masmobile_asp.net_services <= 1.9 cpe:2.3:a:honeywell:masmobile_asp.net_services:*:*:*:*:*:*:*:*
honeywell masmobile_classic <= 1.7.24 cpe:2.3:a:honeywell:masmobile_classic:*:*:*:*:*:iphone_os:*:*
honeywell masmobile_classic <= 1.16.18 cpe:2.3:a:honeywell:masmobile_classic:*:*:*:*:*:android:*:*

References for CVE-2023-36483

cvelogic Threat Intelligence