Mozilla: Malicious code execution through command line parameters
Published Sep 27, 2019
8.8
HIGHCVSS 3.1
EPSS 1.06%
Description
Logging-related command line parameters are not properly sanitized when Firefox is launched by another program, such as when a user clicks on malicious links in a chat application. This can be used to write a log file to an arbitrary location such as the Windows 'Startup' folder. <br>*Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<69
- Version
-
- Version unspecifiedStatusaffectedConstraints<68.1
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | n/a |
| ||||||
| Mozilla | Firefox ESR | n/a |
|
No data.
Red Hat Enterprise Linux 5
firefox
Out of support scope
Red Hat Enterprise Linux 6
firefox
Not affected
Red Hat Enterprise Linux 7
firefox
Not affected
Red Hat Enterprise Linux 8
firefox
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox | Out of support scope | n/a |
| Red Hat Enterprise Linux 6 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 7 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 8 | firefox | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This vulnerability only affected Firefox on the Windows operating system. Firefox on Red Hat Enterprise Linux is not affected.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.06% (0.01062) | 63.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.06% (0.01062) | 60.08th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.60% (0.00596) | 66.83th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.02% (0.02015) | 72.92th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.58% (0.00585) | 67.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.45% (0.00445) | 75.79th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.31% (0.00309) | 69.16th | v3 (v2023.03.01) |
| Aug 1, 2023 | 0.31% (0.00309) | 65.95th | v3 (v2023.03.01) |
| Jul 17, 2023 | 0.32% (0.00318) | 66.43th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00266) | 62.40th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.19% (0.09187) | 87.06th | v2 (v2022.01.01) |
| Feb 3, 2022 | 39.31% (0.39311) | 98.18th | v1 |
| Jan 6, 2022 | 39.31% (0.39311) | 98.16th | v1 |
| Sep 1, 2021 | 12.62% (0.12615) | 95.93th | v1 |
| Apr 14, 2021 | 12.62% (0.12615) | 0.00th | v1 |
References (10)
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html vendor-advisoryx_refsource_SUSE
- https://access.redhat.com/security/cve/CVE-2019-11751 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1572838 x_refsource_MISCIssue TrackingPermissions RequiredVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1748668 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2019-11751
- https://www.cve.org/CVERecord?id=CVE-2019-11751
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-26/#CVE-2019-11751
- https://www.mozilla.org/security/advisories/mfsa2019-25/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-26/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html | vendor-advisoryx_refsource_SUSE | |
| https://access.redhat.com/security/cve/CVE-2019-11751 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1572838 | x_refsource_MISCIssue TrackingPermissions RequiredVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1748668 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-11751 | ||
| https://www.cve.org/CVERecord?id=CVE-2019-11751 | ||
| https://www.mozilla.org/en-US/security/advisories/mfsa2019-26/#CVE-2019-11751 | ||
| https://www.mozilla.org/security/advisories/mfsa2019-25/ | x_refsource_CONFIRMVendor Advisory | |
| https://www.mozilla.org/security/advisories/mfsa2019-26/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.