CRLF injection vulnerability in calendar/set.php in the Calendar subsystem in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors
Published Jul 20, 2012
5.0
MEDIUMCVSS 2.0
EPSS 2.10%
Description
CRLF injection vulnerability in calendar/set.php in the Calendar subsystem in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.
Affected products
No data.
- 1.9.1
- 1.9.2
- 1.9.3
- 1.9.4
- 1.9.5
- 1.9.6
- 1.9.7
- 1.9.8
- 1.9.9
- 1.9.10
- 1.9.11
- 1.9.12
- 1.9.13
- 1.9.14
- 2.0.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.1.0
- 2.1.1
- 2.1.2
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:N/I:P/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 | 2.10% (0.02102) | 81.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.10% (0.02102) | 79.23th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.38% (0.00377) | 57.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.30% (0.00305) | 70.58th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00305) | 68.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00305) | 64.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
No CWE recorded.
References (4)
- http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=581e8dba387f090d89382115fd850d8b44351526 x_refsource_CONFIRM
- http://moodle.org/mod/forum/discuss.php?d=191754 x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2012/dsa-2421 vendor-advisoryx_refsource_DEBIAN
- https://bugzilla.redhat.com/show_bug.cgi?id=761248 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=581e8dba387f090d89382115fd850d8b44351526 | x_refsource_CONFIRM | |
| http://moodle.org/mod/forum/discuss.php?d=191754 | x_refsource_CONFIRMVendor Advisory | |
| http://www.debian.org/security/2012/dsa-2421 | vendor-advisoryx_refsource_DEBIAN | |
| https://bugzilla.redhat.com/show_bug.cgi?id=761248 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.