Security readout for executives and security teams
Plain-English summary
CVE-2024-12802 is a critical SonicWall SSL-VPN MFA bypass issue. In Active Directory integrations, UPN and SAM account names may be treated separately, allowing MFA settings to differ by login method. An attacker could potentially use the alternate account name to avoid MFA and access VPN-protected resources.
Executive priority
Treat as urgent for any internet-facing SonicWall SSL-VPN using Active Directory. The issue could undermine MFA, a key control protecting remote access. Prioritize affected-version identification, vendor-guided remediation, and authentication-log review.
Technical view
The issue affects SonicOS SSL-VPN configurations integrated with Microsoft Active Directory. Separate handling of User Principal Name and SAM account names can permit independent MFA configuration per login identifier. The CVSS 3.1 score is 9.1, network exploitable, low complexity, no privileges, no user interaction, with high confidentiality and integrity impact.
Likely exposure
Organizations using SonicWall SonicOS SSL-VPN with Microsoft Active Directory integration are the likely exposure group, especially if users can authenticate with both UPN and SAM formats and MFA policy coverage differs between them.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The risk is still high because exploitation is remote, unauthenticated, low complexity, and targets VPN access control.
Researcher notes
Evidence identifies CWE-305 and affected SonicOS version ranges but does not provide exploit details in the supplied bundle. Avoid assuming exploitation. Focus validation on configuration state, version exposure, AD integration, and MFA consistency across UPN and SAM identifiers.
Mitigation direction
- Review SonicWall PSIRT advisory SNWLID-2025-0001 for fixed versions and official guidance.
- Identify SonicOS SSL-VPN appliances running listed affected versions.
- Ensure MFA policy applies consistently to both UPN and SAM login formats.
- Review VPN authentication logs for successful alternate-name logins without MFA.
- Restrict SSL-VPN exposure where business operations allow.
Validation and detection
- Inventory SonicWall SonicOS versions against the affected version list.
- Confirm whether SSL-VPN is enabled on each appliance.
- Confirm whether Microsoft Active Directory integration is used.
- Review authentication policy for UPN and SAM account-name handling.
- Check logs for mismatched MFA enforcement across login name formats.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-305: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-12802 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N3.95.2CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0001CVE reference, sonicwall · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Authentication Bypass by Primary Weakness
Authentication Bypass by Primary Weakness represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.