CVE-1999-1389

CVE-1999-1389 is a high-severity vulnerability in 3com Total Control Netserver Card with a CVSS 2.0 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

Description

US Robotics/3Com Total Control Chassis with Frame Relay between 3.6.22 and 3.7.24 does not properly enforce access filters when the "set host prompt" setting is made for a port, which allows attackers to bypass restrictions by providing the hostname twice at the "host: " prompt.

Frequently asked questions

What is CVE-1999-1389?
US Robotics/3Com Total Control Chassis with Frame Relay between 3.6.22 and 3.7.24 does not properly enforce access filters when the "set host prompt" setting is made for a port, which allows attackers to bypass restrictions by providing the hostname twice at the "host: " prompt.
How severe is CVE-1999-1389?
CVE-1999-1389 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-1999-1389 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1389?
CVE-1999-1389 affects 3com Total Control Netserver Card. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1389?
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-1999-1389 published?
CVE-1999-1389 was published on 1998-05-11 and last updated on 2026-06-16.

References

Affected products (1)