02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: CarrierMAS (a Carrier brand) MASmobile Classic Authorization Bypass
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.- EPSS probability
- 0.49% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 39.9% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
SCHEMA: 5.1
- Published
- 2024-03-16 00:00Z2 YR AGO
- Last updated
- 2024-08-28 16:23Z2 YR AGO
- Reserved
- 2023-06-22
- Assigning CNA
- Carrier
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-639Authorization Bypass Through User-Controlled KeyBase
- Data version
- 5.1
- Document digest
- fde8bd08feda3a298111c812abd10436c526864cffcf0aa6043196ac5bc017ce
05 Affected products
PAIRS: 4VendorProductVersionsPlatforms
SRC: CNA
1. Uninstall MASmobile Classic Services - These services are installed and configured manually in IIS within a virtual directory. To uninstall, unpublish the services in IIS and remove the service files. All versions (v1.7, 1.8, and 1.9) were discontinued.
2. Remove the MASmobile Classic app from Android and iOS devices. All versions (v1.x.x) were discontinued and no longer available in the app stores (Play and AppStore).
3. Contact MAS to arrange the installation of MASterMind EX Services (v6.46 or later). These services do not run under IIS and must be configured in coordination with the customer.
4. Install MASmobile app from Play or AppStore (v2.x.x). This is not an upgrade to MASmobile Classic; it is a different app.