Unified Data Protection: Improper Authentication
CVE-2024-0799 is a critical-severity improper authentication vulnerability in Unified Data Protection from Arcserve, 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 Unified Data Protection versions: 9.2 and earlier; 8.1 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 4.34% chance of exploitation within 30 days, which is in the top 8.64% of all scored CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of Unified Data Protection you run against the affected versions below, and install the vendor's latest release.
- 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 |
|---|---|---|---|
| Arcserve | Unified Data Protection | 9.2 and earlier; 8.1 and earlier | Not stated |
| Arcserve | arcserve_unified_data_protection | 9.2 | Not stated |
| Arcserve | Udp | 8.1; 9.2 | 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
- 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 CNA (tenable.com).
Official description
An authentication bypass vulnerability exists in Arcserve Unified Data Protection 9.2 and 8.1 in the edge-app-base-webui.jar!com.ca.arcserve.edge.app.base.ui.server.EdgeLoginServiceImpl.doLogin() function within wizardLogin.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
How developers prevent this class of flaw
- Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
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
Technical write-ups (may include proof of concept)
- tenable.com/security/research/tra-2024-07Exploit, Third Party Advisory
Other vulnerabilities in Unified Data Protection
- 8.8 High severity
Recent Improper Authentication vulnerabilities
- 7.5 High severity
- 8.8 High severity
- 9.8 Critical severity
- 9.8 Critical severity
- 9.8 Critical severity
- 7.5 High severity
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