CVE-2020-6819

CVSS V2 Medium 6.8 CVSS V3 High 8.1
Description
Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
Overview
  • CVE ID
  • CVE-2020-6819
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-04-24T16:15:13
  • Last Modified Date
  • 2022-07-12T17:42:04
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* 1 OR 74.0.1
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* 1 OR 68.6.1
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* 1 OR 68.7.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.1
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.2
  • Impact Score
  • 5.9
References
History
Created Old Value New Value Data Type Notes
2022-05-10 07:05:29 Added to TrackCVE
2022-12-04 15:40:04 2020-04-24T16:15Z 2020-04-24T16:15:13 CVE Published Date updated
2022-12-04 15:40:04 2022-07-12T17:42:04 CVE Modified Date updated
2022-12-04 15:40:04 Analyzed Vulnerability Status updated