CVE-2001-1183
PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of...
PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of service (crash) via a malformed packet.
Exploit likelihood
What each source reports
NVD Score used
PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of service (crash) via a malformed packet.
- Record
CVE-2001-1183- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of service (crash) via a malformed packet.
- Record
CVE-2001-1183- Updated
- 2026-11-02
EUVDEUVD-2001-1164 No score
PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of service (crash) via a malformed packet.
- Record
EUVD-2001-1164- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xfqr-hx55-mjcw No score
PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of...
PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of service (crash) via a malformed packet.
- Record
GHSA-xfqr-hx55-mjcw- 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-2001-1183 is a medium vulnerability (CVSS 5.0) in Cisco Ios, published July 12, 2001. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.82%, the 90th percentile. No source names a fixed version.