CVE-2021-1285
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Multiple Cisco Products SNORT Ethernet Frame Decoder Denial of Service Vulnerability
Multiple Cisco products are affected by a vulnerability in the Ethernet Frame Decoder of the Snort detection engine that could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper handling of error conditions when processing Ethernet frames. An attacker could exploit this vulnerability by sending malicious Ethernet frames through an affected device. A successful exploit could allow the attacker to exhaust disk space on the affected device, which could result in administrators being unable to log in to the device or the device being unable to boot up correctly.Note: Manual intervention is required to recover from this situation. Customers are advised to contact the Cisco Technical Assistance Center (TAC) to help recover a device in this condition.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Cisco UTD SNORT IPS Engine Software
- Vendor
- Cisco
- Product
- Cisco UTD SNORT IPS Engine Software
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 16.12.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.12.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.3.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.6.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.12.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Denali-16.3.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Everest-16.6.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Everest-16.6.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.6.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Denali-16.3.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.1r | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Everest-16.6.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.6.7a | affected | Unavailable | Unavailable | Unavailable | None listed |
| Denali-16.3.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.6.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Denali-16.3.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Denali-16.3.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.12.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.3.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Fuji-16.9.7 | affected | Unavailable | Unavailable | Unavailable | None listed |