Vulnerability Details : CVE-2015-6418
The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224.
Vulnerability category: Information leak
Exploit prediction scoring system (EPSS) score for CVE-2015-6418
Probability of exploitation activity in the next 30 days: 0.32%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 67 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2015-6418
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST |
CWE ids for CVE-2015-6418
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The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-6418
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http://www.securitytracker.com/id/1034409
Cisco SA500 Series Security Appliances Weak Random Number Generation Lets Remote Users Determine TLS Session Keys on the Target System - SecurityTracker
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http://www.securitytracker.com/id/1034408
Cisco Small Business RV Series Weak Random Number Generation Lets Remote Users Determine TLS Session Keys on the Target System - SecurityTracker
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http://www.securityfocus.com/bid/78876
Cisco RV Series and SA500 Series Routers CVE-2015-6418 Information Disclosure Vulnerability
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http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvr
Cisco Small Business RV Series and SA500 Series Dual WAN VPN Router Generated Key Pair Information Disclosure VulnerabilityVendor Advisory
Products affected by CVE-2015-6418
- cpe:2.3:o:cisco:sa540:2.2.07:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:sa520w:2.2.07:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:sa520:2.2.07:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:rv042_dual_wan_vpn_router_firmware:4.0.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.0.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.5.0:*:*:*:*:*:*:*