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cve[email protected]CVE-2018-0163
HistoryMar 28, 2018 - 10:29 p.m.

CVE-2018-0163

2018-03-2822:29:00
CWE-287
web.nvd.nist.gov
32
4
cisco
ios software
802.1x
multi-auth
vulnerability
bypass
cscvg69701

3.3 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:A/AC:L/Au:N/C:N/I:P/A:N

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.6%

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.

Affected configurations

NVD
Node
cisco1120_connected_grid_routerMatch-
OR
cisco1240_connected_grid_routerMatch-
OR
cisco1905_serial_integrated_services_routerMatch-
OR
cisco1906c_integrated_services_routerMatch-
OR
cisco1921_integrated_services_routerMatch-
OR
cisco1941_integrated_services_routerMatch-
OR
cisco1941w_integrated_services_routerMatch-
OR
cisco2010_connected_grid_routerMatch-
OR
cisco2901_integrated_services_routerMatch-
OR
cisco2911_integrated_services_routerMatch-
OR
cisco2911a_integrated_services_routerMatch-
OR
cisco2921_integrated_services_routerMatch-
OR
cisco2951_integrated_services_routerMatch-
OR
cisco3925_integrated_services_routerMatch-
OR
cisco3925e_integrated_services_routerMatch-
OR
cisco3945_integrated_services_routerMatch-
OR
cisco3945e_integrated_services_routerMatch-
OR
cisco5915_embedded_service_routerMatch-
OR
cisco5921_embedded_services_routerMatch-
OR
cisco5940_embedded_services_routerMatch-
OR
cisco800_series_routersMatch-
OR
cisco800m_integrated_services_routerMatch-
OR
cisco809_industrial_integrated_services_routerMatch-
OR
cisco812_3g_integrated_services_routerMatch-
OR
cisco812_cifi_integrated_services_routerMatch-
OR
cisco819_hardened_3gMatch-
OR
cisco819_hardened_dual_radio_802.11n_wifi_integrated_services_routerMatch-
OR
cisco819_hardened_integrated_services_routerMatch-
OR
cisco819_integrated_services_routerMatch-
OR
cisco819_non-hardened_4g_lte_m2mMatch-
OR
cisco819_non-hardened_secure_multi-mode_4g_lte_m2m_isr_routerMatch-
OR
cisco829_industrial_integrated_services_routerMatch-
OR
cisco860vae-w_integrated_services_routerMatch-
OR
cisco861_integrated_services_routerMatch-
OR
cisco861w_integrated_services_routerMatch-
OR
cisco866vae_integrated_services_routerMatch-
OR
cisco867vae_integrated_services_routerMatch-
OR
cisco880-voice_integrated_services_routerMatch-
OR
cisco881-cube_integrated_services_routerMatch-
OR
cisco881_3gMatch-
OR
cisco881_3g_integrated_services_routerMatch-
OR
cisco881_secure_fast_ethernetMatch-
OR
cisco881w_integrated_services_routerMatch-
OR
cisco886va-cube_integrated_services_routerMatch-
OR
cisco886va-w_integrated_services_routerMatch-
OR
cisco886va_integrated_services_routerMatch-
OR
cisco886vag_3g_integrated_services_routerMatch-
OR
cisco887_multi-mode_vdsl2\/asdl2\+_potsMatch-
OR
cisco887va-cube_integrated_services_routerMatch-
OR
cisco887va-w_integrated_services_routerMatch-
OR
cisco887va_integrated_services_routerMatch-
OR
cisco887vag_3g_integrated_services_routerMatch-
OR
cisco887vagw_3gMatch-
OR
cisco887vam-w_integrated_services_routerMatch-
OR
cisco887vamg_3g_integrated_services_routerMatch-
OR
cisco888-cube_integrated_services_routerMatch-
OR
cisco888_integrated_services_routerMatch-
OR
cisco888e-cube_integrated_services_routerMatch-
OR
cisco888e_integrated_services_routerMatch-
OR
cisco888eg_3g_integrated_services_routerMatch-
OR
cisco888w_integrated_services_routerMatch-
OR
cisco891-24x_integrated_services_routerMatch-
OR
cisco891_integrated_services_routerMatch-
OR
cisco891w_integrated_services_routerMatch-
OR
cisco892_integrated_services_routerMatch-
OR
cisco892f-cube_integrated_services_routerMatch-
OR
cisco892w_integrated_services_routerMatch-
OR
cisco896_multi-mode_vdsl2\/adsl2\+_isdnMatch-
OR
cisco897_multi-mode_vdsl2\/adsl2\+_potsMatch-
OR
cisco897_multi-mode_vdsl2\/adsl2\+_pots_annex_mMatch-
OR
cisco898_secure_g.shdsl_efm\/atmMatch-
OR
ciscoc866vae_integrated_services_routerMatch-
OR
ciscoc867vae_integrated_services_routerMatch-
OR
ciscoc881_integrated_services_routerMatch-
OR
ciscoc881w_integrated_services_routerMatch-
OR
ciscoc886va_integrated_services_routersMatch-
OR
ciscoc886vaj_integrated_services_routerMatch-
OR
ciscoc887va_integrated_services_routersMatch-
OR
ciscoc887vam_integrated_services_routersMatch-
OR
ciscoc888_integrated_services_routerMatch-
OR
ciscoc888ea_integrated_services_routerMatch-
OR
ciscoc891f_integrated_services_routersMatch-
OR
ciscoc891fw_integrated_services_routerMatch-
OR
ciscoc892fsp_integrated_services_routerMatch-
OR
ciscoc896va_integrated_services_routerMatch-
OR
ciscoc897va-m_integrated_services_routerMatch-
OR
ciscoc897va_integrated_services_routerMatch-
OR
ciscoc897vam-w_integrated_services_routerMatch-
OR
ciscoc897vaw_integrated_services_routerMatch-
OR
ciscoc898ea_integrated_services_routerMatch-
OR
ciscoc899_secure_gigabit_ethernetMatch-
OR
ciscovg204xm_analog_voice_gatewayMatch-
OR
ciscovg350_analog_voice_gatewayMatch-
OR
ciscovg3x0_analog_voice_gatewayMatch-
OR
rockwellautomationstratix_5900Match-
AND
ciscoiosMatch15.4\(3\)m6
OR
ciscoiosMatch15.4\(3\)m6a
OR
ciscoiosMatch15.4\(3\)m7
OR
ciscoiosMatch15.4\(3\)m7a
OR
ciscoiosMatch15.4\(3\)m8
OR
ciscoiosMatch15.4\(3.0i\)m6
OR
ciscoiosMatch15.5\(3\)m3
OR
ciscoiosMatch15.5\(3\)m4
OR
ciscoiosMatch15.5\(3\)m4a
OR
ciscoiosMatch15.5\(3\)m4b
OR
ciscoiosMatch15.5\(3\)m4c
OR
ciscoiosMatch15.5\(3\)m5
OR
ciscoiosMatch15.5\(3\)m5a
OR
ciscoiosMatch15.5\(3\)m6
OR
ciscoiosMatch15.5\(3\)m6a
OR
ciscoiosMatch15.6\(1\)t2
OR
ciscoiosMatch15.6\(1\)t3
OR
ciscoiosMatch15.6\(2\)t1
OR
ciscoiosMatch15.6\(2\)t2
OR
ciscoiosMatch15.6\(2\)t3
OR
ciscoiosMatch15.6\(3\)m
OR
ciscoiosMatch15.6\(3\)m0a
OR
ciscoiosMatch15.6\(3\)m1
OR
ciscoiosMatch15.6\(3\)m1a
OR
ciscoiosMatch15.6\(3\)m1b
OR
ciscoiosMatch15.6\(3\)m2
OR
ciscoiosMatch15.6\(3\)m2a
OR
ciscoiosMatch15.6\(3\)m3
OR
ciscoiosMatch15.6\(3\)m3a
OR
ciscoiosMatch15.7\(3\)m
OR
ciscoiosMatch15.7\(3\)m0a
OR
ciscoiosMatch15.7\(3\)m1
OR
ciscoiosMatch15.7\(3\)m2

CNA Affected

[
  {
    "product": "Cisco IOS",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Cisco IOS"
      }
    ]
  }
]

Social References

More

3.3 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:A/AC:L/Au:N/C:N/I:P/A:N

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.6%

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