CVE-2005-2025
Cisco VPN 3000 Concentrator before 4.1.7.F allows remote attackers to determine valid groupnames...
Cisco VPN 3000 Concentrator before 4.1.7.F allows remote attackers to determine valid groupnames by sending an IKE Aggressive Mode packet with the groupname in the ID field, which generates a response if the groupname is valid, but does not generate a response for an invalid groupname.
Exploit likelihood
What each source reports
NVD Score used
Cisco VPN 3000 Concentrator before 4.1.7.F allows remote attackers to determine valid groupnames by sending an IKE Aggressive Mode packet with the groupname in the ID field, which generates a response if the groupname is valid, but does not generate a response for an invalid groupname.
- Record
CVE-2005-2025- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
Cisco VPN 3000 Concentrator before 4.1.7.F allows remote attackers to determine valid groupnames by sending an IKE Aggressive Mode packet with the groupname in the ID field, which generates a response if the groupname is valid, but does not generate a response for an invalid groupname.
- Record
CVE-2005-2025- Updated
- 2026-11-02
EUVDEUVD-2005-2027 No score
Cisco VPN 3000 Concentrator before 4.1.7.F allows remote attackers to determine valid groupnames by sending an IKE Aggressive Mode packet with the groupname in the ID field, which generates a response if the groupname is valid, but does not generate a response for an invalid groupname.
- Record
EUVD-2005-2027- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m3gf-gx72-56g4 No score
Cisco VPN 3000 Concentrator before 4.1.7.F allows remote attackers to determine valid groupnames...
Cisco VPN 3000 Concentrator before 4.1.7.F allows remote attackers to determine valid groupnames by sending an IKE Aggressive Mode packet with the groupname in the ID field, which generates a response if the groupname is valid, but does not generate a response for an invalid groupname.
- Record
GHSA-m3gf-gx72-56g4- 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-2005-2025 is a medium vulnerability (CVSS 5.0) in Cisco Vpn 3000 Concentrator, published June 20, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.34%, the 83rd percentile. No source names a fixed version.