CVE-2015-6418

Cisco Small Business RV and SA500 - Insufficient Entropy in Random-Number Generator

Title source: llm
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1034408
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1034409
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/78876

Scores

EPSS 0.0184
EPSS Percentile 76.3%

Details

CWE
CWE-200
Status published
Products (12)
cisco/rv016_multi-wan_vpn_firmware 4.0.0.7
cisco/rv016_multi-wan_vpn_firmware 4.0.2.8
cisco/rv016_multi-wan_vpn_firmware 4.0.5.0
cisco/rv042_dual_wan_vpn_router_firmware 4.0.2.8
cisco/rv042g_dual_gigabit_wan_vpn_firmware 4.0.0.7
cisco/rv042g_dual_gigabit_wan_vpn_firmware 4.2.2.7
cisco/rv042g_dual_gigabit_wan_vpn_firmware 4.2.2.8
cisco/rv082_dual_wan_vpn_router_firmware 4.0.0.7
cisco/rv082_dual_wan_vpn_router_firmware 4.0.2.8
cisco/sa520 2.2.07
... and 2 more
Published Dec 13, 2015
Tracked Since Feb 18, 2026