MEDIUM
comment/lib.php in Moodle 2.0.x before 2.0.4 and 2.1.x before 2.1.1 does not properly restrict comment capabilities, which allows remote attackers to post a comment by leveraging the guest role and operating on a front-page activity
Published Jul 16, 2012
6.6
MEDIUMCVSS 4.0
EPSS 1.56%
Description
comment/lib.php in Moodle 2.0.x before 2.0.4 and 2.1.x before 2.1.1 does not properly restrict comment capabilities, which allows remote attackers to post a comment by leveraging the guest role and operating on a front-page activity.
Affected products
Remediation
No remediation recorded yet.
Metrics
6.6 MEDIUM GHSA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U
Attack Vector Network
Attack Complexity Low
Attack Requirements None
Privileges Required None
User Interaction None
Vulnerable System Confidentiality None
Vulnerable System Integrity High
Vulnerable System Availability None
Subsequent System Confidentiality None
Subsequent System Integrity None
Subsequent System Availability None
Exploit Maturity Unreported
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
6.4 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.56% 0.01561
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01561
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 | 1.56% (0.01561) | 74.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.56% (0.01561) | 71.93th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.52% (0.00519) | 64.80th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.57% (0.00574) | 78.67th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.57% (0.00574) | 77.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.57% (0.00574) | 74.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
Weaknesses (2)
References (6)
- http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=9da3c2efadcc5f56cb8adc19c67ed16be35780f3 x_refsource_CONFIRM
- http://git.moodle.org/gw?p=moodle.git;a=commit;h=9da3c2efadcc5f56cb8adc19c67ed16be35780f3
- http://moodle.org/mod/forum/discuss.php?d=182740 x_refsource_CONFIRMVendor Advisory
- http://openwall.com/lists/oss-security/2011/11/14/1 mailing-listx_refsource_MLIST
- https://github.com/advisories/GHSA-62wv-866c-rh86 Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2011-4297
| Link | Providers | Tags |
|---|---|---|
| http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=9da3c2efadcc5f56cb8adc19c67ed16be35780f3 | x_refsource_CONFIRM | |
| http://git.moodle.org/gw?p=moodle.git;a=commit;h=9da3c2efadcc5f56cb8adc19c67ed16be35780f3 | ||
| http://moodle.org/mod/forum/discuss.php?d=182740 | x_refsource_CONFIRMVendor Advisory | |
| http://openwall.com/lists/oss-security/2011/11/14/1 | mailing-listx_refsource_MLIST | |
| https://github.com/advisories/GHSA-62wv-866c-rh86 | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-4297 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Jul 16, 2012
Updated Aug 7, 2024
Reserved Nov 4, 2011
Link CVE-2011-4297
CISA Vulnrichment
GHSA-62WV-866C-RH86 Updated n/a