CVE-2018-0298

N/A

Published: June 21, 2018 at 11:00 AM UTC

Updated: June 17, 2026 at 01:30 AM UTC

14 products affected across 1 vendorNx OSFirepower Extensible Operating SystemFirepower 4110

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Severity

N/A

Exploit prediction

EPSS 2%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firepower Extensible Operating System · Cisco

95%

1.1 ≤ v < 1.1.4.1691.1 ≤ v < 1.1.4.1792.0 ≤ v < 2.0.1.1352.0 ≤ v < 2.0.1.153

Affected range stops below 1.1.4.169, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.1.4.179, so it looks safe — our inference, not a vendor statement

Affected range stops below 2.0.1.135, so it looks safe — our inference, not a vendor statement

Affected range stops below 2.0.1.153, so it looks safe — our inference, not a vendor statement

cisco-firepower-4110 (environment) · cisco-firepower-4120 (environment) · cisco-firepower-4140 (environment) · cisco-firepower-4150 (environment) · cisco-firepower-9300-security-appliance (environment)

Nx OS · Cisconpm

95%

3.0(2) ≤ v < 3.1(3a)a

Affected range stops below 3.1(3a)a, so it looks safe — our inference, not a vendor statement

cisco-ucs-6120xp (environment) · cisco-ucs-6140xp (environment) · cisco-ucs-6248up (environment) · cisco-ucs-6296up (environment) · cisco-ucs-6324 (environment) · cisco-ucs-6332 (environment)

UCS Fabric Interconnect · Cisco

60%

All versions

Firepower 4110 · Ciscodevice

80%

All versions

Firepower 4120 · Ciscodevice

80%

All versions

Firepower 4140 · Ciscodevice

80%

All versions