What is CVE-1999-0162?

CVE-1999-0162 is a vulnerability in Cisco iOS. Published 1998-09-01.

Is CVE-1999-0162 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Cisco iOS

CVE-1999-0162

The "established" keyword in some Cisco IOS software allowed an attacker to bypass filtering.

Published 1998-09-01 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.017 (75.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Cisco iOS — versions 11.2

Public proof-of-concept exploits

Live-Hack-CVE/CVE-1999-0162

References

www.cve.org/CVERecord

Frequently asked questions

What is CVE-1999-0162?: CVE-1999-0162 is a vulnerability in Cisco iOS. Published 1998-09-01.
Is CVE-1999-0162 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.