Cisco Firepower Threat Defense Software Generic Routing Encapsulation Tunnel IPv6 Denial of Service Vulnerability (Cisco Cisco Firepower Threat Defense Software)
At a glance
- Source
- NVD
- EPSS
- EPSS 2.00 % · percentile 81 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Modified
Description
A vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation feature of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a memory handling error when GRE over IPv6 traffic is processed. An attacker could exploit this vulnerability by sending crafted GRE over IPv6 packets with either IPv4 or IPv6 payload through an affected device. A successful exploit could allow the attacker to cause the device to crash, resulting in a DoS condition.
Weaknesses (CWE)
- CWE-415 — Double Free
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | HIGH 8.6 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H | cisco |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.0 | HIGH 8.6 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H | NVD · psirt@cisco.com (Secondary) |
| CVSS 2.0 | HIGH 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-24450
- GCVE · GCVE-0-2020-3179
CERT-FR advisories
- CERTFR-2020-AVI-274 — Multiples vulnérabilités dans les produits Cisco · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*≥ 6.3.0 < 6.3.0.5cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*≥ 6.4.0 < 6.4.0.6cpe:2.3:o:cisco:asa_5505_firmware:9.9\(2\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5505_firmware:101.5\(1.26\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5510_firmware:9.9\(2\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5510_firmware:101.5\(1.26\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5512-x_firmware:9.9\(2\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5512-x_firmware:101.5\(1.26\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5515-x_firmware:9.9\(2\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5515-x_firmware:101.5\(1.26\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5520_firmware:9.9\(2\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5520_firmware:101.5\(1.26\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5525-x_firmware:9.9\(2\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5525-x_firmware:101.5\(1.26\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5540_firmware:9.9\(2\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5540_firmware:101.5\(1.26\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5545-x_firmware:9.9\(2\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5545-x_firmware:101.5\(1.26\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5550_firmware:9.9\(2\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5550_firmware:101.5\(1.26\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5555-x_firmware:9.9\(2\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5555-x_firmware:101.5\(1.26\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5580_firmware:9.9\(2\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5580_firmware:101.5\(1.26\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5585-x_firmware:9.9\(2\):*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5585-x_firmware:101.5\(1.26\):*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Cisco · Cisco Firepower Threat Defense Software | affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |