Cisco · IOS and IOS XE
CVE-2018-0171
Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability
Nedir
A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition, or to execute arbitrary code on an affected device. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted Smart Install message to an affected device on TCP port 4786. A successful exploit could allow the attacker to cause a buffer overflow on the affected device, which could have the following impacts: Triggering a reload of the device, Allowing the attacker to execute arbitrary code on the device, Causing an indefinite loop on the affected device that triggers a watchdog crash. Cisco Bug IDs: CSCvg76186.
CISA: Cisco IOS and IOS XE Software improperly validates packet data, allowing an unauthenticated, remote attacker to trigger a reload of an affected device, cause a denial-of-service (DoS) condition, or perform code execution on the affected device.
Ne yapmalı
Apply updates per vendor instructions.
ABD federal kurumları için son tarih: 3 Mayıs 2022
- CISA listesine eklenme
- 3 Kasım 2021
- Yayımlanma
- 28 Mart 2018
- Önem
- Yüksek 7,5 CVSS 3.1
- Önümüzdeki 30 günde saldırı olasılığı (EPSS)
- 99,5% bilinen tüm açıkların en üstteki 0,1% diliminde
- Zayıflık
- CWE-20
- Daha fazla ayrıntı
- NVD · CVE.org · CISA
Tüm kaynaklar (6)
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
- http://www.securitytracker.com/id/1040580
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi2
- https://www.darkreading.com/perimeter/attackers-exploit-cisco-switch-issue-as-vendor-warns-of-yet-another-cri…
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
- http://www.securityfocus.com/bid/103538
Cisco için istismar edilen diğer açıklar
| Eklenme | Açık | Ürün | Önem | Saldırı olasılığı |
|---|---|---|---|---|
| 29 Eyl 2025 | Software SNMP Denial of Service and Remote Code Execution | IOS and IOS XE | Yüksek 7,7 | 42% |
| 10 Eki 2023 | Group Encrypted Transport VPN Out-of-Bounds Write | IOS and IOS XE | Orta 6,6 | 2,5% |
| 25 Mar 2022 | Remote Code Execution | IOS and IOS XE | Kritik 9,8 | 99% |
| 14 Eki 2026 | Relative Path Traversal | Secure Email Gateway | Kritik 9,8 | 2,2% |
| 30 Eyl 2026 | Hex Encoding | Catalyst SD-WAN Manager | Kritik 9,8 | 39% |
| 16 Eyl 2026 | Incorrect Use of Privileged APIs | Identity Services Engine | Kritik 10,0 | 76% |
| 14 Eyl 2026 | SQL Injection | Secure Email Gateway | Kritik 9,8 | 30% |
| 9 Eyl 2026 | Firewall Management Center Authentication Bypass Using an Alternate Path or Channel | Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management | Kritik 10,0 | 88% |
Kaynaklar: Known Exploited Vulnerabilities (CISA, kamu malı), CVE records (cve.org) ve EPSS (FIRST). Saldırı olasılığı, birinin önümüzdeki 30 günde açığı istismar etmeye çalışacağına dair EPSS tahminidir.