Vulnerability in Cisco Nexus 5000
CVE-2017-3804
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).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (49.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Cisco Nexus 5000
- Cisco Nexus 6001
- Cisco Nexus 6004
- Cisco Nexus 7000
- Cisco Nx-Os — versions 7.1(3)n1(3.12), 7.3\(2\)n1\(0.296\), 7.1(3)n1(2.1)
- Cisco Nexus 5000, 6000, 7000 — versions Cisco Nexus 5000, 6000, 7000
References
- www.securitytracker.com/id/1037658 (vdb-entry)
- www.securityfocus.com/bid/95638 (VDB Entry, Third Party Advisory, vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170118… (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-3804?
- CVE-2017-3804 is a medium-severity vulnerability in Cisco Nexus 5000. CVSS score: 6.1/10. Published 2017-01-26.
- How severe is CVE-2017-3804?
- Medium severity. CVSS v3 base score is 6.1 out of 10.