What is CVE-2019-20027?

CVE-2019-20027 is a critical-severity vulnerability in Nec Sl1100, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-07-29.

How severe is CVE-2019-20027?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Nec Sl1100

CVE-2019-20027

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.

Vulnerability class: Broken Authentication

EPSS: 0.014 (69.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nec Sl1100
Nec Sl1100_firmware
Nec Sl2100
Nec Sl2100_firmware
Nec Sv8100
Nec Sv8100_firmware
Nec Sv9100
Nec Sv9100_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-20027?: CVE-2019-20027 is a critical-severity vulnerability in Nec Sl1100, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-07-29.
How severe is CVE-2019-20027?: Critical severity. CVSS v3 base score is 9.8 out of 10.