Read the docs
TI-2018-00257 Aliases CVE-2018-0298GHSA-ggmw-9f62-8x2v

Improper input validation in Cisco FXOS Software and UCS Fabric Interconnect unknown

Priority MEDIUM 43CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A vulnerability in the web UI of Cisco FXOS and Cisco UCS Fabric Interconnect Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected system. The vulnerability is due to incorrect input validation in the web UI. An attacker could exploit this vulnerability by sending a malicious HTTP or HTTPS packet directed to the physical management interface of an affected system. A successful exploit could allow the attacker to cause the process to crash and possibly reload the device, resulting in a denial of service (DoS) condition on the affected system. This vulnerability affects Firepower 4100 Series Next-Generation Firewall, Firepower 9300 Security Appliance, UCS 6200 Series Fabric Interconnects, UCS 6300 Series Fabric Interconnects. Cisco Bug IDs: CSCvb61398, CSCvb86799.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01975 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Cisco FXOS Software and UCS Fabric Interconnect unknownCisco FXOS Software and UCS Fabric Interconnect unknown—No fix listedCNA
  • Cisco FXOS Software and UCS Fabric Interconnect unknown Vendor— Affected Cisco FXOS Software and UCS Fabric Interconnect unknown Fixed in — No fix listed CNA

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*3.0\(2\) to before 3.1\(3a\)aVulnerableCisco
cpe:2.3:h:cisco:ucs_6120xp:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:ucs_6140xp:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:ucs_6248up:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:ucs_6296up:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:ucs_6324:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:ucs_6332:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:*1.1 to before 1.1.4.169; 2.0 to before 2.0.1.135VulnerableCisco
cpe:2.3:h:cisco:firepower_4110:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:firepower_4120:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
  • cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* Versions 3.0\(2\) to before 3.1\(3a\)a Vulnerable ·Cisco
  • cpe:2.3:h:cisco:ucs_6120xp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:ucs_6140xp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:ucs_6248up:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:ucs_6296up:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:ucs_6324:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:ucs_6332:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:* Versions 1.1 to before 1.1.4.169; 2.0 to before 2.0.1.135 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:firepower_4110:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:firepower_4120:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:cisco:firepower_4140:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:firepower_4150:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:*1.1 to before 1.1.4.179; 2.0 to before 2.0.1.153VulnerableCisco
cpe:2.3:h:cisco:firepower_9300_security_appliance:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
  • cpe:2.3:h:cisco:firepower_4140:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:firepower_4150:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:* Versions 1.1 to before 1.1.4.179; 2.0 to before 2.0.1.153 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:firepower_9300_security_appliance:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-0298
  2. 2026-10-03 Alias added: GHSA-ggmw-9f62-8x2v

References

  • TI-2018-00269 Resource management flaw in Cisco FXOS and NX-OS unknown CVSS 3.0CRITICAL 9.8
  • TI-2015-05417 An unspecified CGI script in Cisco FX-OS before 1.1.2 on Firepower 9000 devices and Cisco… CVSS 3.0CRITICAL 9.8
  • TI-2019-01480 Cisco FXOS and NX-OS Software Simple Network Management Protocol Denial of Service Vulnerability CVSS 3.1HIGH 8.6
  • TI-2019-01225 Cisco FXOS and NX-OS Lightweight Directory Access Protocol Denial of Service Vulnerabilities CVSS 3.0HIGH 8.6
  • TI-2019-01224 Cisco FXOS and NX-OS Lightweight Directory Access Protocol Denial of Service Vulnerabilities CVSS 3.0HIGH 8.6
  • TI-2020-03063 Cisco FXOS and NX-OS Software Cisco Fabric Services Denial of Service Vulnerability CVSS 3.1HIGH 8.6
See all 55 →

Sources