CVE-2021-20286

CVSS V2 Medium 4 CVSS V3 Low 2.7
Description
A flaw was found in libnbd 1.7.3. An assertion failure in nbd_unlocked_opt_go in ilb/opt.c may lead to denial of service.
Overview
  • CVE ID
  • CVE-2021-20286
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-15T18:15:17
  • Last Modified Date
  • 2021-03-22T14:32:45
Weakness Enumerations
CWE URL
CWE-617 http://cwe.mitre.org/data/definitions/617.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:redhat:libnbd:*:*:*:*:*:*:*:* 1 OR 1.7.3
cpe:2.3:o:redhat:enterprise_linux:8.3.0:*:*:*:advanced_virtualization:*:*:* 1 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:L
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • LOW
  • Base Score
  • 2.7
  • Base Severity
  • LOW
  • Exploitability Score
  • 1.2
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://gitlab.com/nbdkit/libnbd/-/commit/fb4440de9cc76e9c14bd3ddf3333e78621f40ad0 Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1934727 Issue Tracking Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-20286
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20286
History
Created Old Value New Value Data Type Notes
2022-05-10 07:19:20 Added to TrackCVE
2022-12-05 23:46:48 2021-03-15T18:15Z 2021-03-15T18:15:17 CVE Published Date updated
2022-12-05 23:46:48 2021-03-22T14:32:45 CVE Modified Date updated
2022-12-05 23:46:48 Analyzed Vulnerability Status updated