Secure Connect Gateway (SCG) 5.0 Appliance - SRS: Authentication Bypass by Spoofing
CVE-2024-22457 is a high-severity authentication bypass by spoofing vulnerability in Secure Connect Gateway (SCG) 5.0 Appliance - SRS from Dell, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected Secure Connect Gateway (SCG) 5.0 Appliance - SRS versions: 5.20.00.10. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.29% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Secure Connect Gateway (SCG) 5.0 Appliance - SRS you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on dell.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Dell | Secure Connect Gateway (SCG) 5.0 Appliance - SRS | 5.20.00.10 | Not stated |
| Dell | secure_connect_gateway | 5.20.00.10 | Not stated |
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
- LowA basic user account is enough.
- 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:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.1 | High | CNA (emc.com) |
| CVSS 3.1 | 8.8 | High | NVD |
Official description
Dell Secure Connect Gateway 5.20 contains an improper authentication vulnerability during the SRS to SCG update path. A remote low privileged attacker could potentially exploit this vulnerability, leading to impersonation of the server through presenting a fake self-signed certificate and communicating with the remote server.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Authentication Bypass by Spoofing
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
More Authentication Bypass by Spoofing vulnerabilities (CWE-290)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in Secure Connect Gateway (SCG) 5.0 Appliance - SRS
- 8.8 High severity
- 8.1 High severity
Recent Authentication Bypass by Spoofing vulnerabilities
- 8.3 High severity
- 9.6 Critical severity
- 9.8 Critical severity
- 7.5 High severity
- 7.5 High severity
- 9.8 Critical severity
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