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The vulnerabilities in the implementation of the Intermediate System-to-Intermediate System (IS-IS) routing protocol in the Cisco NX-OSS operating system of Cisco Nexus 3000 and Nexus 9000 devices allow a attacker to cause service interruptions.
🗓️ 29 Aug 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 2 Views
| Reporter | Title | Published | Views | Family All 14 |
|---|---|---|---|---|
 | CVE-2025-20241 | 27 Aug 202516:03 | – | circl |
 | Cisco Nexus 3000 and 9000 Series Switches Intermediate System-to-Intermediate System Denial of Service Vulnerability | 27 Aug 202516:00 | – | cisco |
 | Cisco Nexus 3000 9000 Series Switches Intermediate System-to-Intermediate System DoS (cisco-sa-n39k-isis-dos-JhJA8Rfx) | 27 Mar 202600:00 | – | nessus |
 | Cisco NX-OS Software 安全漏洞 | 27 Aug 202500:00 | – | cnnvd |
 | CVE-2025-20241 | 27 Aug 202516:23 | – | cve |
 | CVE-2025-20241 Cisco Nexus 3000 and 9000 Series Switches IS-IS Protocol <TBD> Denial of Service Vulnerability | 27 Aug 202516:23 | – | cvelist |
 | EUVD-2025-27686 | 3 Oct 202520:07 | – | euvd |
 | Vulnerabilities fixed in Cisco NX-OS Software | 28 Aug 202508:36 | – | ncsc |
| Vulnerabilities fixed in Cisco NX-OS Software | 11 Sep 202508:18 | – | ncsc |
 | CVE-2025-20241 | 27 Aug 202517:15 | – | nvd |
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29 Aug 2025 00:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 26.1
CVSS 37.4
EPSS0.00266