Cisco FXOS, IOS XR, and NX-OS Software Cisco Discovery Protocol Denial of Service Vulnerability (Cisco Cisco IOS XR Software)
En bref
- Source
- NVD
- EPSS
- EPSS 1.64 % · centile 76 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- cisco
- Statut NVD
- Modified
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Description
A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to a missing check when the affected software processes Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an affected device. A successful exploit could allow the attacker to exhaust system memory, causing the device to reload. Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).
Faiblesses (CWE)
- CWE-190 — Débordement d'entier
Références
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.0 | HIGH 7.4 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H | cisco |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.0 | HIGH 7.4 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H | NVD · psirt@cisco.com (Secondary) |
| CVSS 2.0 | MEDIUM 6.1 | AV:A/AC:L/Au:N/C:N/I:N/A:C | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2020-24391
- GCVE · GCVE-0-2020-3120
Avis du CERT-FR
- CERTFR-2020-AVI-073 — Multiples vulnérabilités dans les produits Cisco · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:*≤ 2.3.1.173cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:*≥ 2.6 < 2.6.1.187cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:*≥ 2.7 < 2.7.1.106cpe:2.3:o:cisco:fxos:2.4:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:5.2.5:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:6.4.2:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:6.5.3:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:6.6.25:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xr:7.0.1:*:*:*:*:*:*:*cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 5.2 < 6.2\(29\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 7.3 < 8.4\(1a\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 5.2 < 5.2\(1\)sv5\(1.3\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≤ 5.2cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*< 5.2\(1\)sv3\(4.1b\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 7.0\(3\)f2 < 9.3\(2\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 7.0\(3\)i < 7.0\(3\)i7\(8\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*< 7.3\(6\)n1\(1\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*< 6.2\(24\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 7.2 < 7.3\(5\)d1\(1\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 8.0 < 8.2\(5\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 8.3 < 8.4\(2\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*< 13.2\(9b\)cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*≥ 14.0 < 14.2\(1j\)cpe:2.3:a:cisco:ucs_manager:*:*:*:*:*:*:*:*< 3.2\(3m\)cpe:2.3:a:cisco:ucs_manager:*:*:*:*:*:*:*:*≥ 4.0 < 4.0\(4g\)
Produits affectés
| Produit | Versions |
|---|---|
| Cisco · Cisco IOS XR Software | affected unspecified < 2.3.1.173 |
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 |