CVE-1999-0160
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish...
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.
Exploit likelihood
What each source reports
NVD Score used
7.5
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.
- Record
CVE-1999-0160- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.
- Record
CVE-1999-0160- Updated
- 2026-11-02
EUVDEUVD-1999-0160 No score
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.
- Record
EUVD-1999-0160- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rx39-mff5-f3vv No score
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish...
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.
- Record
GHSA-rx39-mff5-f3vv- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-0160 is a high vulnerability (CVSS 7.5) in Cisco Ios, published October 1, 1997. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.22%, the 68th percentile. No source names a fixed version.