CVE-2019-20027

CRITICAL
9.8
CVSS Score
Published: July 29, 2020 at 05:29 PM UTC
Updated: June 17, 2026 at 02:29 AM UTC
8 products affected across 1 vendorSV9100 FirmwareSV8100 FirmwareSL2100 Firmware

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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%

Description

Aspire-derived NEC PBXes, including the SV8100, SV9100, SL1100 and SL2100 with software releases 7.0 or higher contain the possibility if incorrectly configured to allow a blank username and password combination to be entered as a valid, successfully authenticating account.

Affected

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

v ≥ 7.0
nec-sl1100 (same device)
v ≥ 7.0
nec-sl2100 (same device)
v ≥ 7.0
nec-sv8100 (same device)
v ≥ 7.0
nec-sv9100 (same device)
80%
All versions
80%
All versions
80%
All versions
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party Advisory
https://shadytel.su/files/nec_cve.txt

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-287

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