CVE-1999-0160
published 1997-10-01CVE-1999-0160: Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.
PriorityP425high7.5CVSS 2.0
AVNACLAuNCPIPAP
EPSS
1.23%
65.4th percentile
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | ios | — | — |
| cisco | ios | — | — |
| cisco | ios | — | — |
| cisco | ios | — | — |
| cisco | ios | — | — |
| cisco | ios | — | — |
| cisco | ios | — | — |
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VulDB
Cisco IOS up to 11.2p PPP CHAP Authentication privileges management (Nessus ID 48944 / XFDB-570)
vuldb·2026-04-17·CVSS 7.5
CVE-1999-0160 [HIGH] Cisco IOS up to 11.2p PPP CHAP Authentication privileges management (Nessus ID 48944 / XFDB-570)
A vulnerability, which was classified as critical, was found in Cisco IOS up to 11.2p. The impacted element is an unknown function of the component PPP CHAP Authentication Handler. Such manipulation leads to improper privilege management.
This vulnerability is listed as CVE-1999-0160. The attack may be performed from remote. There is no available exploit.
You should upgrade the affected component.
GHSA
GHSA-rx39-mff5-f3vv: Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections
ghsa_unreviewed·2022-04-30
CVE-1999-0160 [HIGH] GHSA-rx39-mff5-f3vv: Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
1997-10-01
Published