CVE-2020-4839

CVSS V2 Medium 4 CVSS V3 Medium 4.9
Description
IBM Host firmware for LC-class Systems is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A remote privileged attacker could exploit this vulnerability and cause a denial of service. IBM X-Force ID: 190037.
Overview
  • CVE ID
  • CVE-2020-4839
  • Assigner
  • psirt@us.ibm.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-25T17:15:07
  • Last Modified Date
  • 2021-05-28T20:39:57
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:ibm:8335-gca_firmware:op820:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:ibm:8335-gca:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ibm:8335-gta_firmware:op820:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:ibm:8335-gta:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ibm:8335-gtb_firmware:op820:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:ibm:8335-gtb:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 4.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.ibm.com/support/pages/node/6454303 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/190037 VDB Entry Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-4839
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-4839
History
Created Old Value New Value Data Type Notes
2022-05-10 16:14:19 Added to TrackCVE
2022-12-05 02:57:14 2021-05-25T17:15Z 2021-05-25T17:15:07 CVE Published Date updated
2022-12-05 02:57:14 2021-05-28T20:39:57 CVE Modified Date updated
2022-12-05 02:57:14 Analyzed Vulnerability Status updated