CVE-2021-34736

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to cause the web-based management interface to unexpectedly restart. The vulnerability is due to insufficient input validation on the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to cause the interface to restart, resulting in a denial of service (DoS) condition.
Overview
  • CVE ID
  • CVE-2021-34736
  • Assigner
  • ykramarz@cisco.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-10-21T03:15:06
  • Last Modified Date
  • 2021-10-26T15:18:41
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:cisco:unified_computing_system:*:*:*:*:*:*:*:* 1 OR 4.1\(2g\)
cpe:2.3:a:cisco:unified_computing_system:*:*:*:*:*:*:*:* 1 OR 4.2 4.2\(1b\)
cpe:2.3:h:cisco:ucs_c125_m5:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c22_m3:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c220_m3:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c220_m4:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c220_m5:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c225_m6:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c24_m3:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c240_m3:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c240_m5:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c240_sd_m5:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c245_m6:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c260_m2:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c3160:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c3260:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c420_m3:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c4200:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c460_m2:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c460_m4:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c480_m5:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c480_ml_m5:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:ucs_c890_m5:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:a:cisco:unified_computing_system:*:*:*:*:*:*:*:* 1 OR 4.1\(3e\)
cpe:2.3:h:cisco:ucs_s3260:-:*:*:*:*:*:*:* 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-imc-gui-dos-TZjrFyZh Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-34736
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34736
History
Created Old Value New Value Data Type Notes
2022-05-10 06:49:49 Added to TrackCVE
2022-12-05 12:59:25 psirt@cisco.com ykramarz@cisco.com CVE Assigner updated
2022-12-05 12:59:25 2021-10-21T03:15Z 2021-10-21T03:15:06 CVE Published Date updated
2022-12-05 12:59:25 2021-10-26T15:18:41 CVE Modified Date updated
2022-12-05 12:59:25 Analyzed Vulnerability Status updated