Cisco NX-OS Software Cisco Fabric Services Denial of Service Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.2(25), 8.1(1b), 8.3(1), 7.0(3)I4(9), 7.0(3)I7(4), and 6 more
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
A vulnerability in the Cisco Fabric Services component of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a buffer overflow, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Cisco Fabric Services packets. An attacker could exploit this vulnerability by sending a crafted Cisco Fabric Services packet to an affected device. A successful exploit could allow the attacker to cause a buffer overflow, resulting in process crashes and a DoS condition on the device. MDS 9000 Series Multilayer Switches are affected running software versions prior to 6.2(25), 8.1(1b), 8.3(1). Nexus 3000 Series Switches are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 3500 Platform Switches are affected running software versions prior to 6.0(2)A8(10) and 7.0(3)I7(4). Nexus 3600 Platform Switches are affected running software versions prior to 7.0(3)F3(5) Nexus 7000 and 7700 Series Switches are affected running software versions prior to 6.2(22) and 8.2(3). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected running software versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected running software versions prior to 7.0(3)F3(5). UCS 6200, 6300, and 6400 Fabric Interconnects are affected running software versions prior to 3.2(3j) and 4.0(2a).
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- Cisco MDS 9000 Series Multilayer Switches
fixed in 6.2(25); fixed in 8.1(1b); fixed in 8.3(1)
- Cisco Nexus 3000 Series Switches
fixed in 7.0(3)I4(9); fixed in 7.0(3)I7(4)
- Cisco Nexus 3500 Platform Switches
fixed in 6.0(2)A8(10); fixed in 7.0(3)I7(4)
- Cisco Nexus 3600 Platform Switches
fixed in 7.0(3)F3(5)
- Cisco Nexus 7000 and 7700 Series Switches
fixed in 6.2(22); fixed in 8.2(3)
- Cisco Nexus 9000 Series Switches in Standalone NX-OS Mode
fixed in 7.0(3)I4(9); fixed in 7.0(3)I7(4)
- Cisco Nexus 9500 R-Series Line Cards and Fabric Modules
fixed in 7.0(3)F3(5)
- Cisco UCS 6200, 6300, and 6400 Fabric Interconnects
fixed in 3.2(3j); fixed in 4.0(2a)