Security readout for executives and security teams
CVE-2019-11708 is a critical Mozilla flaw where a compromised browser child process could cause the unsandboxed parent process to open attacker-chosen web content. Mozilla says chaining it with other vulnerabilities could lead to code execution on the user’s computer. Exposure is most likely on endpoints or managed images still running the affected Firefox, Firefox ESR, or Thunderbird versions. Modern fully updated installations should not be affected by the versions named in the source bundle. High priority for any organization with legacy Mozilla deployments. Because CISA marks this as known exploited and the potential impact includes arbitrary code execution when chained, affected systems should be remediated quickly and tracked to closure. Mitigation focus: Upgrade Firefox to 67.0.4 or later, and Firefox ESR to 60.7.2 or later.; Upgrade Thunderbird to 60.7.2 or later where installed.; Remove unsupported legacy Mozilla versions from managed endpoints..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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Open ATT&CK lookupExecution behavior lookup
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Open ATT&CK lookupCVE-2019-11708 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 10 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H3.96Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.mozilla.org/security/advisories/mfsa2019-19/CVE reference · x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2019-20/CVE reference · x_refsource_MISC
- https://bugzilla.mozilla.org/show_bug.cgi?id=1559858CVE reference · x_refsource_MISC
- GLSA-201908-12CVE reference · vendor-advisory, x_refsource_GENTOO
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11708CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.