CVE-2019-12656

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
A vulnerability in the IOx application environment of multiple Cisco platforms could allow an unauthenticated, remote attacker to cause the IOx web server to stop processing HTTPS requests, resulting in a denial of service (DoS) condition. The vulnerability is due to a Transport Layer Security (TLS) implementation issue. An attacker could exploit this vulnerability by sending crafted TLS packets to the IOx web server on an affected device. A successful exploit could allow the attacker to cause the IOx web server to stop processing HTTPS requests, resulting in a DoS condition.
Overview
  • CVE ID
  • CVE-2019-12656
  • Assigner
  • ykramarz@cisco.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-09-25T21:15:10
  • Last Modified Date
  • 2020-10-08T14:07:19
Weakness Enumerations
CWE URL
NVD-CWE-noinfo http://cwe.mitre.org/data/definitions/NVD-noinfo.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:cisco:ios:1.6.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:1.8.0:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:cisco:industrial_ethernet_2000_series_firmware:15.2\(6\)e:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ie_2000-16ptc-g:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-16t67:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-16t67p:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-16tc:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-16tc-g:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-16tc-g-e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-16tc-g-n:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-16tc-g-x:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-24t67:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-4s-ts-g:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-4t:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-4t-g:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-4ts:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-4ts-g:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-8t67:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-8t67p:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-8tc:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-8tc-g:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-8tc-g-e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ie_2000-8tc-g-n:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ic3000_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ic3000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ie_4000_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ie_4000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:cgr_1000_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:cgr_1000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ir510_wpan_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ir510_wpan:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-iox Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-12656
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12656
History
Created Old Value New Value Data Type Notes
2022-05-10 17:09:47 Added to TrackCVE
2022-12-04 03:11:07 psirt@cisco.com ykramarz@cisco.com CVE Assigner updated
2022-12-04 03:11:07 2019-09-25T21:15Z 2019-09-25T21:15:10 CVE Published Date updated
2022-12-04 03:11:07 2020-10-08T14:07:19 CVE Modified Date updated
2022-12-04 03:11:07 Analyzed Vulnerability Status updated