CVE-2020-1863

HIGH
7.5
CVSS Score
Published: March 12, 2020 at 10:01 PM UTC
Updated: June 17, 2026 at 03:02 AM UTC
2 products affected across 1 vendorUSG6000V FirmwareUSG6000V

Using Huawei USG6000V by Huawei?

Get instant alerts when new vulnerabilities affect Huawei USG6000V - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 0.9%

Description

Huawei USG6000V with versions V500R001C20SPC300, V500R003C00SPC100, and V500R005C00SPC100 have an out-of-bounds read vulnerability. Due to a logical flaw in a JSON parsing routine, a remote, unauthenticated attacker could exploit this vulnerability to disrupt service in the affected products.

Affected

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

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card