Vulnerability Monitor

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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.

Published

2015-12-13T03:59:09.477

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-200
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco sa520 2.2.07 Yes
Operating System cisco sa520w 2.2.07 Yes
Operating System cisco sa540 2.2.07 Yes
Application cisco rv016_multi-wan_vpn_firmware 4.0.0.7 Yes
Application cisco rv016_multi-wan_vpn_firmware 4.0.2.8 Yes
Application cisco rv016_multi-wan_vpn_firmware 4.0.5.0 Yes
Application cisco rv042_dual_wan_vpn_router_firmware 4.0.2.8 Yes
Application cisco rv042g_dual_gigabit_wan_vpn_firmware 4.0.0.7 Yes
Application cisco rv042g_dual_gigabit_wan_vpn_firmware 4.2.2.7 Yes
Application cisco rv042g_dual_gigabit_wan_vpn_firmware 4.2.2.8 Yes
Application cisco rv082_dual_wan_vpn_router_firmware 4.0.0.7 Yes
Application cisco rv082_dual_wan_vpn_router_firmware 4.0.2.8 Yes
References