How severe is CVE-2019-20026?

CVE-2019-20026 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-20026 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20026?

CVE-2019-20026 affects Nec Sv9100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20026?

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

When was CVE-2019-20026 published?

CVE-2019-20026 was published on 2020-07-29 and last updated on 2026-06-17.

CVE-2019-20026

CVE-2019-20026 is a high-severity vulnerability in Nec Sv9100 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Nec Sv9100 Firmware
Published: 2020-07-29
Last modified: 2026-06-17

Description

The WebPro interface in NEC SV9100 software releases 7.0 or higher allows unauthenticated remote attackers to reset all existing usernames and passwords to default values via a crafted request.

Frequently asked questions

What is CVE-2019-20026?: The WebPro interface in NEC SV9100 software releases 7.0 or higher allows unauthenticated remote attackers to reset all existing usernames and passwords to default values via a crafted request.
How severe is CVE-2019-20026?: CVE-2019-20026 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-20026 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20026?: CVE-2019-20026 affects Nec Sv9100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20026?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-20026 published?: CVE-2019-20026 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:sv9100_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Nec Sv9100 Firmware

CVE-2019-20027 — Critical (CVSS 9.8): Aspire-derived NEC PBXes, including the SV8100, SV9100, SL1100 and SL2100 with software releases 7.0 or higher contain…
CVE-2019-20025 — Critical (CVSS 9.8): Certain builds of NEC SV9100 software could allow an unauthenticated, remote attacker to log into a device running an…
CVE-2019-20029 — High (CVSS 8.8): An exploitable privilege escalation vulnerability exists in the WebPro functionality of Aspire-derived NEC PBXes,…
CVE-2019-20028 — High (CVSS 7.5): Aspire-derived NEC PBXes operating InMail software, including all versions of SV8100, SV9100, SL1100 and SL2100 devices…
CVE-2019-20032 — Medium (CVSS 6.5): An attacker with access to an InMail voicemail box equipped with the find me/follow me feature on Aspire-derived NEC…

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