5.8
Medium
CVE-2026-20057 Multiple Cisco products are affected by a vulnerability in the Snort 3 Visual Basic for Applications (VBA) feature which…
Description
Multiple Cisco products are affected by a vulnerability in the Snort 3 Visual Basic for Applications (VBA) feature which could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash. This vulnerability is due to lack of proper error checking when decompressing VBA data. An attacker could exploit this vulnerability by sending a crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to unexpectedly restart causing a a denial of service (DoS) condition.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco Cyber Vision 5.3 | 5.3.0 → 5.3.1 | No fix stated |
| Cisco Cyber Vision 5.2 | 5.2.0 → 5.2.1 | No fix stated |
| Cisco Cyber Vision 5.1 | 5.1.0 → 5.1.3 | No fix stated |
| Cisco Cyber Vision 5.0 | 5.0.0 → 5.0.2 | No fix stated |
| Cisco Cyber Vision 4.4 | 4.4.0 → 4.4.3 | No fix stated |
| Cisco Cyber Vision 4.3 | 4.3.0 → 4.3.3 | No fix stated |
| Cisco Cyber Vision 4.2 | 4.2.X → 4.2.6 | No fix stated |
| Cisco Cyber Vision 4.1 | 4.1.0 → 4.1.7 | No fix stated |
| Cisco Cyber Vision 4.0 | 4.0.0 → 4.0.3 | No fix stated |
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References
- cisco-sa-ftd-snort3-vbavuls-96UcVVed sec.cloudapps.cisco.com
Timeline
- Published
- Last modified
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