Cisco VPN 3000 series concentrators and Cisco VPN 3002 Hardware Client 3.5.x through 4.0.REL, when enabling IPSec over TCP for a port on the concentrator, allow remote attackers to reach the private network without authentication
Published May 8, 2003
7.5
HIGHCVSS 2.0
EPSS 2.16%
Description
Cisco VPN 3000 series concentrators and Cisco VPN 3002 Hardware Client 3.5.x through 4.0.REL, when enabling IPSec over TCP for a port on the concentrator, allow remote attackers to reach the private network without authentication.
Affected products
No data.
- n/a
- n/a
- n/a
- n/a
- 3.5\(rel\)
- 3.5.1
- 3.5.2
- 3.5.3
- 3.5.4
- 3.5.5
- 3.6
- 3.6.1
- 3.6.3
- 3.6.5
- 3.6.7
- 3.6.7.a
- 3.6.7.b
- 3.6.7.c
- 3.6.7.d
- 3.6.7d
- 4.0
- 4.0.1
- n/a
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.
AV:N/AC:L/Au:N/C:P/I:P/A:P
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.16% (0.02158) | 81.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.16% (0.02158) | 79.75th | v5 (v2026.06.15) |
| Mar 1, 2026 | 2.27% (0.02266) | 84.43th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.65% (0.00649) | 69.06th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.78% (0.00775) | 82.02th | v3 (v2023.03.01) |
| Mar 5, 2024 | 0.78% (0.00775) | 80.85th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.79% (0.00787) | 80.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.79% (0.00787) | 78.71th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- http://www.cisco.com/warp/public/707/cisco-sa-20030507-vpn3k.shtml vendor-advisoryx_refsource_CISCOPatchVendor Advisory
- http://www.kb.cert.org/vuls/id/727780 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11954 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://www.cisco.com/warp/public/707/cisco-sa-20030507-vpn3k.shtml | vendor-advisoryx_refsource_CISCOPatchVendor Advisory | |
| http://www.kb.cert.org/vuls/id/727780 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/11954 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.