CVE-2017-3804 json
A vulnerability in Intermediate System-to-Intermediate System (IS-IS) protocol packet processing of Cisco Nexus 5000, 6000, and 7000 Series…
published 2017-01-26 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-12921
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
A vulnerability in Intermediate System-to-Intermediate System (IS-IS) protocol packet processing of Cisco Nexus 5000, 6000, and 7000 Series Switches software could allow an unauthenticated, adjacent attacker to cause a reload of the affected device. Switches in the FabricPath domain crash because of an __inst_001__isis_fabricpath hap reset when processing a crafted link-state packet. More Information: CSCvc45002. Known Affected Releases: 7.1(3)N1(2.1) 7.1(3)N1(3.12) 7.3(2)N1(0.296) 8.0(1)S2. Known Fixed Releases: 6.2(18)S11 7.0(3)I5(1.170) 7.0(3)I5(2) 7.1(4)N1(0.4) 7.1(4)N1(1b) 7.1(5)N1(0.986) 7.1(5)N1(1) 7.2(3)D1(0.8) 7.3(2)N1(0.304) 7.3(2)N1(1) 8.0(0.96)S0 8.0(1) 8.0(1)E1 8.0(1)S4 8.3(0)CV(0.788).
Exploit prediction
0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H |
| NVD | 2.0 | 5.7 | AV:A/AC:M/Au:N/C:N/I:N/A:C |
Affected products
- n/a Cisco Nexus 5000, 6000, 7000
References
-
tools.cisco.com
/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170118-nexus
vendor-advisory
-
securitytracker.com
/id/1037658
vdb-entry
-
securityfocus.com
/bid/95638
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-3804
- NVD CVE-2017-3804
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.