Cisco Virtual Private Network (VPN) Client software 2.x.x, and 3.x before 3.5.2B, does not generate sufficiently random numbers, which may make it vulnerable to certain attacks such as spoofing.
Conclusion & alert: CVE-2002-1107 is rated Moderate Risk (57.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.81%). Core evidence: EPSS rose +1.28% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.53% | 1.81% | +1.28% |
| 2 | 2025-03-30 | 0.59% | 0.53% | -0.06% |
| 3 | 2025-03-29 | — | 0.59% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | vpn_client | 2.0 | cpe:2.3:a:cisco:vpn_client:2.0:*:windows:*:*:*:*:* |
| cisco | vpn_client | 3.0 | cpe:2.3:a:cisco:vpn_client:3.0:*:windows:*:*:*:*:* |
| cisco | vpn_client | 3.0.5 | cpe:2.3:a:cisco:vpn_client:3.0.5:*:windows:*:*:*:*:* |
| cisco | vpn_client | 3.1 | cpe:2.3:a:cisco:vpn_client:3.1:*:windows:*:*:*:*:* |
| cisco | vpn_client | 3.5.1 | cpe:2.3:a:cisco:vpn_client:3.5.1:*:linux:*:*:*:*:* |
| cisco | vpn_client | 3.5.1 | cpe:2.3:a:cisco:vpn_client:3.5.1:*:mac_os_x:*:*:*:*:* |
| cisco | vpn_client | 3.5.1 | cpe:2.3:a:cisco:vpn_client:3.5.1:*:solaris:*:*:*:*:* |
| cisco | vpn_client | 3.5.1 | cpe:2.3:a:cisco:vpn_client:3.5.1:*:windows:*:*:*:*:* |
| cisco | vpn_client | 3.5.1c | cpe:2.3:a:cisco:vpn_client:3.5.1c:*:windows:*:*:*:*:* |
| cisco | vpn_client | 3.5.2 | cpe:2.3:a:cisco:vpn_client:3.5.2:*:linux:*:*:*:*:* |
| cisco | vpn_client | 3.5.2 | cpe:2.3:a:cisco:vpn_client:3.5.2:*:mac_os_x:*:*:*:*:* |
| cisco | vpn_client | 3.5.2 | cpe:2.3:a:cisco:vpn_client:3.5.2:*:solaris:*:*:*:*:* |
| cisco | vpn_client | 3.5.2 | cpe:2.3:a:cisco:vpn_client:3.5.2:*:windows:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.cisco.com/warp/public/707/vpnclient-multiple2-vuln-pub.shtml | Vendor Advisory |
| http://www.securityfocus.com/bid/5653 | Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/10046 |