CVE-1999-1420

CVE-1999-1420 is a critical-severity vulnerability in N-base Nh2012 with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

NBase switches NH2012, NH2012R, NH2015, and NH2048 have a back door password that cannot be disabled, which allows remote attackers to modify the switch's configuration.

Frequently asked questions

What is CVE-1999-1420?
NBase switches NH2012, NH2012R, NH2015, and NH2048 have a back door password that cannot be disabled, which allows remote attackers to modify the switch's configuration.
How severe is CVE-1999-1420?
CVE-1999-1420 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-1999-1420 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1420?
CVE-1999-1420 primarily affects N-base Nh2012. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-1420?
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-1999-1420 published?
CVE-1999-1420 was published on 1998-07-20 and last updated on 2026-06-16.

References

Affected products (5)