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…
Does this matter?
Lower severity and a low EPSS score (1.84%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
- EPSS
- 1.84% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- cisco/sa520 · cisco/sa520w · cisco/sa540 · cisco/rv016 multi-wan vpn firmware · cisco/rv042 dual wan vpn router firmware · cisco/rv042g dual gigabit wan vpn firmware · cisco/rv082 dual wan vpn router firmware
- Source
- psirt@cisco.com
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvrVendor Advisory
- http://www.securityfocus.com/bid/78876
- http://www.securitytracker.com/id/1034408
- http://www.securitytracker.com/id/1034409
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvrVendor Advisory
- http://www.securityfocus.com/bid/78876
- http://www.securitytracker.com/id/1034408
- http://www.securitytracker.com/id/1034409
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.