Information disclosure in Cisco Rv016 Multi-Wan Vpn Firmware
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 class: Information Disclosure
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.018 (78.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Cisco Rv016 Multi-Wan Vpn Firmware — versions 4.0.0.7, 4.0.2.8, 4.0.5.0
- Cisco Rv042 Dual Wan Vpn Router Firmware — versions 4.0.2.8
- Cisco Rv042g Dual Gigabit Wan Vpn Firmware — versions 4.0.0.7, 4.2.2.7, 4.2.2.8
- Cisco Rv082 Dual Wan Vpn Router Firmware — versions 4.0.0.7, 4.0.2.8
- Cisco Sa520 — versions 2.2.07
- Cisco Sa520w — versions 2.2.07
- Cisco Sa540 — versions 2.2.07
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210… (vendor-advisory, Vendor Advisory)
- www.securitytracker.com/id/1034408 (vdb-entry)
- www.securitytracker.com/id/1034409 (vdb-entry)
- www.securityfocus.com/bid/78876 (vdb-entry)