Improper input validation in Cisco iOS
CVE-2017-12228
A vulnerability in the Cisco Network Plug and Play application of Cisco IOS 12.4 through 15.6 and Cisco IOS XE 3.3 through 16.4 could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data by using an invalid certificate. The vulnerability is due to insufficient certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software. Cisco Bug IDs: CSCvc33171.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Cisco iOS — versions 15.6(1)t, 15.3(3)s2, 15.2(4)ec2
- Cisco iOS Xe — versions 3.3.0xo, 3.3.1xo, 3.3.2xo
- Cisco iOS And Xe — versions Cisco IOS and IOS XE
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927… (Vendor Advisory)
- www.securityfocus.com/bid/101065 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1039450 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-12228?
- CVE-2017-12228 is a medium-severity vulnerability in Cisco iOS, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2017-09-29.
- How severe is CVE-2017-12228?
- Medium severity. CVSS v3 base score is 5.9 out of 10.