How severe is CVE-2019-20033?

CVE-2019-20033 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-20033 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20033?

CVE-2019-20033 affects Nec Sv8100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20033?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-20033 published?

CVE-2019-20033 was published on 2020-07-29 and last updated on 2026-06-17.

CVE-2019-20033

CVE-2019-20033 is a critical-severity vulnerability in Nec Sv8100 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Nec Sv8100 Firmware
Published: 2020-07-29
Last modified: 2026-06-17

Description

On Aspire-derived NEC PBXes, including all versions of SV8100 devices, a set of documented, static login credentials may be used to access the DIM interface.

Frequently asked questions

What is CVE-2019-20033?: On Aspire-derived NEC PBXes, including all versions of SV8100 devices, a set of documented, static login credentials may be used to access the DIM interface.
How severe is CVE-2019-20033?: CVE-2019-20033 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-20033 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20033?: CVE-2019-20033 affects Nec Sv8100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20033?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-20033 published?: CVE-2019-20033 was published on 2020-07-29 and last updated on 2026-06-17.

References

https://shadytel.su/files/nec_cve.txt

Affected products (1)

cpe:2.3:o:nec:sv8100_firmware:*:*:*:*:*:*:*:*

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