The implementation of Content Security Policy (CSP) violation reports in Mozilla Firefox 4.x through 5, SeaMonkey 2.x before 2.3, and possibly other products does not remove proxy-authorization credentials from the listed request headers, which allows attackers to obtain sensitive information by reading a report, related to incorrect host resolution that occurs with certain redirects
Published Aug 18, 2011
5.0
MEDIUMCVSS 2.0
EPSS 0.97%
Description
The implementation of Content Security Policy (CSP) violation reports in Mozilla Firefox 4.x through 5, SeaMonkey 2.x before 2.3, and possibly other products does not remove proxy-authorization credentials from the listed request headers, which allows attackers to obtain sensitive information by reading a report, related to incorrect host resolution that occurs with certain redirects.
Affected products
No data.
Configuration 1
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0.1
- 5.0
Configuration 2
- 1.0
- 1.0
- 1.0
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.4
- 1.0.5
- 1.0.6
- 1.0.7
- 1.0.8
- 1.0.9
- 1.1
- 1.1
- 1.1
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.1.5
- 1.1.6
- 1.1.7
- 1.1.8
- 1.1.9
- 1.1.10
- 1.1.11
- 1.1.12
- 1.1.13
- 1.1.14
- 1.1.15
- 1.1.16
- 1.1.17
- 1.1.18
- 1.1.19
- 1.5.0.8
- 1.5.0.9
- 1.5.0.10
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.0.6
- 2.0.7
- 2.0.8
- 2.0.9
- 2.0.10
- 2.0.11
- 2.1
- 2.1
- 2.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
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 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.97% (0.00969) | 60.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.96% (0.00960) | 56.73th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.54% (0.00542) | 65.68th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.26% (0.00261) | 66.35th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.26% (0.00261) | 64.83th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00261) | 61.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
References (6)
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html vendor-advisoryx_refsource_SUSE
- http://www.mozilla.org/security/announce/2011/mfsa2011-29.html x_refsource_CONFIRMVendor Advisory
- http://www.mozilla.org/security/announce/2011/mfsa2011-33.html x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=664983 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=679588 x_refsource_CONFIRM
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14458 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html | vendor-advisoryx_refsource_SUSE | |
| http://www.mozilla.org/security/announce/2011/mfsa2011-29.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.mozilla.org/security/announce/2011/mfsa2011-33.html | x_refsource_CONFIRM | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=664983 | x_refsource_CONFIRM | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=679588 | x_refsource_CONFIRM | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14458 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.