Information disclosure in Cisco Content Security Management Virtual Appliance
CVE-2015-4217
The remote-support feature on Cisco Web Security Virtual Appliance (WSAv), Email Security Virtual Appliance (ESAv), and Security Management Virtual Appliance (SMAv) devices before 2015-06-25 uses the same default SSH host keys across different customers' installations, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging knowledge of a private key from another installation, aka Bug IDs CSCus29681, CSCuu95676, and CSCuu96601.
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: 0.022 (82.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: -0.000
Affected products
- Cisco Content Security Management Virtual Appliance — versions 8.4.0.0150, 9.0.0.087
- Cisco Email Security Virtual Appliance — versions 8.0.0, 8.5.6, 8.5.7
- Cisco Web Security Virtual Appliance — versions 7.7.5, 8.0.5, 8.5.0
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150625… (vendor-advisory, Vendor Advisory)
- www.securitytracker.com/id/1032725 (VDB Entry, Third Party Advisory, vdb-entry)
- tools.cisco.com/security/center/viewAlert.x (vendor-advisory, Vendor Advisory)
- www.securitytracker.com/id/1032726 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/75418 (VDB Entry, Third Party Advisory, vdb-entry)