Vulnerability Details : CVE-2018-0163
A vulnerability in the 802.1x multiple-authentication (multi-auth) feature of Cisco IOS Software could allow an unauthenticated, adjacent attacker to bypass the authentication phase on an 802.1x multi-auth port. The vulnerability is due to a logic change error introduced into the code. An attacker could exploit this vulnerability by trying to access an 802.1x multi-auth port after a successful supplicant has authenticated. An exploit could allow the attacker to bypass the 802.1x access controls and obtain access to the network. Cisco Bug IDs: CSCvg69701.
Vulnerability category: BypassGain privilege
Products affected by CVE-2018-0163
- cpe:2.3:o:cisco:ios:15.4\(3\)m6:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(1\)t2:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(2\)t1:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.5\(3\)m3:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.5\(3\)m4:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(3\)m:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(1\)t3:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(2\)t2:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.4\(3\)m6a:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(3\)m0a:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.5\(3\)m4a:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(3\)m1b:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(3\)m1:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.4\(3\)m7:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.5\(3\)m5:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(3\)m2:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(3\)m2a:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(3\)m3:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(2\)t3:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.7\(3\)m:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.5\(3\)m6:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.4\(3\)m7a:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.4\(3\)m8:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.4\(3.0i\)m6:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.5\(3\)m4b:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.5\(3\)m4c:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.5\(3\)m5a:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.5\(3\)m6a:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(3\)m1a:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.6\(3\)m3a:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.7\(3\)m0a:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.7\(3\)m1:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
- cpe:2.3:o:cisco:ios:15.7\(3\)m2:*:*:*:*:*:*:*When used together with: Cisco » 819 Hardened Dual Radio 802.11n Wifi Integrated Services Router » Version: N/AWhen used together with: Cisco » 819 Non-hardened Secure Multi-mode 4g Lte M2m Isr Router » Version: N/A
Exploit prediction scoring system (EPSS) score for CVE-2018-0163
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-0163
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.3
|
LOW | AV:A/AC:L/Au:N/C:N/I:P/A:N |
6.5
|
2.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2018-0163
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by:
- nvd@nist.gov (Primary)
- ykramarz@cisco.com (Secondary)
References for CVE-2018-0163
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-dot1x
Cisco IOS Software 802.1x Multiple-Authentication Port Authentication Bypass VulnerabilityVendor Advisory
-
http://www.securityfocus.com/bid/103571
Cisco IOS Software CVE-2018-0163 Authentication Bypass VulnerabilityThird Party Advisory;VDB Entry
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