The virtual private dial-up network (VPDN) component in Cisco IOS before 12.3 allows remote attackers to cause a denial of service (resource exhaustion) via a series of PPTP sessions, related to the persistence of interface descriptor block (IDB) data structures after process termination, aka bug ID CSCdv59309
Published Mar 27, 2008
7.1
HIGHCVSS 2.0
EPSS 1.89%
Description
The virtual private dial-up network (VPDN) component in Cisco IOS before 12.3 allows remote attackers to cause a denial of service (resource exhaustion) via a series of PPTP sessions, related to the persistence of interface descriptor block (IDB) data structures after process termination, aka bug ID CSCdv59309.
Affected products
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.
AV:N/AC:M/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.89% (0.01894) | 78.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.89% (0.01894) | 76.84th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.01% (0.01009) | 75.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.30% (0.02299) | 90.08th | v3 (v2023.03.01) |
| Jul 25, 2023 | 2.15% (0.02146) | 87.78th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.99% (0.01989) | 86.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (8)
- http://secunia.com/advisories/29507 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1019714 vdb-entryx_refsource_SECTRACK
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080969862.shtml vendor-advisoryx_refsource_CISCOPatch
- http://www.securityfocus.com/bid/28460 vdb-entryx_refsource_BID
- http://www.us-cert.gov/cas/techalerts/TA08-087B.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2008/1006/references vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41484 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5598 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/29507 | third-party-advisoryx_refsource_SECUNIA | |
| http://securitytracker.com/id?1019714 | vdb-entryx_refsource_SECTRACK | |
| http://www.cisco.com/en/US/products/products_security_advisory09186a0080969862.shtml | vendor-advisoryx_refsource_CISCOPatch | |
| http://www.securityfocus.com/bid/28460 | vdb-entryx_refsource_BID | |
| http://www.us-cert.gov/cas/techalerts/TA08-087B.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.vupen.com/english/advisories/2008/1006/references | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/41484 | vdb-entryx_refsource_XF | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5598 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.