MEDIUM
PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of service (crash) via a malformed packet
Published Jun 25, 2002
5.0
MEDIUMCVSS 2.0
EPSS 3.82%
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.
Affected products
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.82% 0.03820
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03820
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.82% (0.03820) | 89.73th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.75% (0.03755) | 88.44th | v5 (v2026.06.15) |
| Apr 5, 2026 | 1.73% (0.01734) | 82.42th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.32% (0.00322) | 52.99th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.46% (0.01459) | 87.25th | v3 (v2023.03.01) |
| May 22, 2024 | 1.46% (0.01459) | 86.71th | v3 (v2023.03.01) |
| Apr 23, 2023 | 1.46% (0.01459) | 84.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.62% (0.01618) | 85.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (5)
- http://www.cisco.com/warp/public/707/PPTP-vulnerability-pub.html vendor-advisoryx_refsource_CISCOPatchVendor Advisory
- http://www.kb.cert.org/vuls/id/656315 third-party-advisoryx_refsource_CERT-VNPatchThird Party AdvisoryUS Government Resource
- http://www.osvdb.org/802 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/3022 vdb-entryx_refsource_BIDPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6835 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://www.cisco.com/warp/public/707/PPTP-vulnerability-pub.html | vendor-advisoryx_refsource_CISCOPatchVendor Advisory | |
| http://www.kb.cert.org/vuls/id/656315 | third-party-advisoryx_refsource_CERT-VNPatchThird Party AdvisoryUS Government Resource | |
| http://www.osvdb.org/802 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/3022 | vdb-entryx_refsource_BIDPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/6835 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 25, 2002
Updated Aug 8, 2024
Reserved Mar 15, 2002
Link CVE-2001-1183
CISA Vulnrichment
Updated n/a