lib/moodlelib.php in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 does not properly handle certain zero values in the password policy, which makes it easier for remote attackers to obtain access by leveraging the possible existence of user accounts that have unchangeable blank passwords
Published Jul 20, 2012
6.8
MEDIUMCVSS 2.0
EPSS 2.07%
Description
lib/moodlelib.php in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 does not properly handle certain zero values in the password policy, which makes it easier for remote attackers to obtain access by leveraging the possible existence of user accounts that have unchangeable blank passwords.
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: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 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 | 2.07% (0.02066) | 80.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.07% (0.02066) | 78.84th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.67% (0.00666) | 69.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.75% (0.00749) | 81.64th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.75% (0.00749) | 80.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.75% (0.00749) | 78.06th | 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) |
References (4)
- http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=e079e82c087becf06d902089d14f3f76686bde19 x_refsource_CONFIRM
- http://moodle.org/mod/forum/discuss.php?d=191755 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=e079e82c087becf06d902089d14f3f76686bde19 | x_refsource_CONFIRM | |
| http://moodle.org/mod/forum/discuss.php?d=191755 | 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.