GMS: Use of Password Hash Instead of Password for Authentication
CVE-2023-34132 is a critical-severity use of password hash instead of password for authentication vulnerability in GMS from SonicWall, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected GMS versions: 9.3.2-SP1 and earlier versions. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 7.74% chance of exploitation within 30 days, which is in the top 5.28% of all scored CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Update Global Management System to 9.3.2 or a later version.
- Read the advisory on psirt.global.sonicwall.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| SonicWall | GMS | 9.3.2-SP1 and earlier versions | Not stated |
| SonicWall | Analytics | 2.5.0.4-R7 and earlier versions | Not stated |
| SonicWall | Global Management System | before 9.3.2; 9.3.2 | 9.3.2 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
Official description
Use of password hash instead of password for authentication vulnerability in SonicWall GMS and Analytics allows Pass-the-Hash attacks. This issue affects GMS: 9.3.2-SP1 and earlier versions; Analytics: 2.5.0.4-R7 and earlier versions.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Use of Password Hash Instead of Password for Authentication
The product includes a client that computes a hash of a password and sends the hash to another component, which compares the supplied hash to the hash obtained from a data store of password hashes.
More Use of Password Hash Instead of Password for Authentication vulnerabilities (CWE-836)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: yes, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Advisories
Other references
Other vulnerabilities in GMS
- 8.3 High severity
- 9.4 Critical severity
- 8.4 High severity
- 9.1 Critical severity
- 7.5 High severity
- 7.1 High severity
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