Barracuda ESG Appliance: Use of Unmaintained Third Party Components
CVE-2023-7102 is a critical-severity use of unmaintained third party components vulnerability in Barracuda ESG Appliance from Barracuda Networks, 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 Barracuda ESG Appliance versions: 5.1.3.001 through 9.2.1.001. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 44.6% chance of exploitation within 30 days, which is in the top 1.21% of all scored CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of Barracuda ESG Appliance you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on barracuda.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 |
|---|---|---|---|
| Barracuda Networks | Barracuda ESG Appliance | 5.1.3.001 through 9.2.1.001 | Not stated |
| Barracuda | Email Security Gateway 300 Firmware | 5.1.3.001 through 9.2.1.001 | Not stated |
| Barracuda | Email Security Gateway 400 Firmware | 5.1.3.001 through 9.2.1.001 | Not stated |
| Barracuda | Email Security Gateway 600 Firmware | 5.1.3.001 through 9.2.1.001 | Not stated |
| Barracuda | Email Security Gateway 800 Firmware | 5.1.3.001 through 9.2.1.001 | Not stated |
| Barracuda | Email Security Gateway 900 Firmware | 5.1.3.001 through 9.2.1.001 | 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 NVD.
Official description
Use of a Third Party library produced a vulnerability in Barracuda Networks Inc. Barracuda ESG Appliance which allowed Parameter Injection.This issue affected Barracuda ESG Appliance, from 5.1.3.001 through 9.2.1.001, until Barracuda removed the vulnerable logic.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Use of Unmaintained Third Party Components
The product relies on third-party components that are not actively supported or maintained by the original developer or a trusted proxy for the original developer.
More Use of Unmaintained Third Party Components vulnerabilities (CWE-1104)
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- github.com/haile01/perl_spreadsheet_excel_rce_pocThird Party Advisory
- github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0019.mdThird Party Advisory
- cve.org/CVERecord?id=CVE-2023-7101Third Party Advisory
Other references
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