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CVE-2001-1183
PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of service (crash) via a malformed packet.
Medium5.0EPSS 3.8%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of service (crash) via a malformed packet.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.8% · top 9.9% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (5)
- 802 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- VU#656315 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- cisco-ios-pptp-dos(6835) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20010712 Cisco IOS PPTP Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- 3022 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2001-1183)Record last updated .