CVE-1999-0775 Security feature bypass in n/a

Critical 10.0 Published Updated

Remote attackers can bypass access control lists on Cisco IOS switches to forward unauthorized packets due to improper handling of the established keyword.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-1999-0775?

CVE-1999-0775 is a critical vulnerability in Cisco Ios, published on 18 Jan 2000. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets due to improper handling of the "established" keyword in an access list.

Which versions are affected by CVE-1999-0775?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-1999-0775?

No fix has been published for CVE-1999-0775 yet. Limit exposure of the affected software until one is available.

Is CVE-1999-0775 being exploited?

There is no known exploitation of CVE-1999-0775 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-vjxr-fvc6-86qw.

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