Auth bypass in Cisco iOS Xe
CVE-2013-6979
The VTY authentication implementation in Cisco IOS XE 03.02.xxSE and 03.03.xxSE incorrectly relies on the Linux-IOS internal-network configuration, which allows remote attackers to bypass authentication by leveraging access to a 192.168.x.2 source IP address, aka Bug ID CSCuj90227.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.4 (Medium). Vector: AV:N/AC:H/Au:N/C:C/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.036 (89.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
Weakness classification (CWE)
References
- exchange.xforce.ibmcloud.com/vulnerabilities/89901 (vdb-entry)
- www.securitytracker.com/id/1029537 (VDB Entry, Third Party Advisory, vdb-entry)
- osvdb.org/101351 (vdb-entry)
- www.securityfocus.com/bid/64502 (VDB Entry, Third Party Advisory, vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6979 (vendor-advisory, Vendor Advisory)