CVE-2022-30600
Incorrect Calculation in moodle
A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being bypassed.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being bypassed.
- Record
CVE-2022-30600- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-682
- Updated
- 2026-11-02
CVE List No score
A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being bypassed.
- Record
CVE-2022-30600- Weakness
- CWE-682
- Updated
- 2026-11-02
EUVDEUVD-2022-5471 No score
A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being bypassed.
- Record
EUVD-2022-5471- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w37f-pvvx-wcwm
Incorrect Calculation in moodle
A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being bypassed.
- Record
GHSA-w37f-pvvx-wcwm- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-682
- Updated
- 2026-11-02
OSVGHSA-w37f-pvvx-wcwm
Incorrect Calculation in moodle
A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being bypassed.
- Record
GHSA-w37f-pvvx-wcwm- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-682
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2022-30600
A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being bypassed.
- Record
UBUNTU-CVE-2022-30600- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVBIT-moodle-2022-30600 No score
A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being bypassed.
- Record
BIT-moodle-2022-30600- Updated
- 2026-11-02
OSV No score
A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being bypassed.
- Record
CVE-2022-30600- Weakness
- CWE-682
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moodle/moodlePackagist |
4.0 up to 4.0.1 | 4.0.1 |
moodle/moodlePackagist |
3.9 up to 3.9.14 | 3.9.14 |
moodle/moodlePackagist |
3.10 up to 3.10.11 | 3.10.11 |
moodle/moodlePackagist |
3.11 up to 3.11.7 | 3.11.7 |
moodleBitnami |
3.9.0 up to 3.9.14, 3.10.0 up to 3.10.11, 3.11.0 up to 3.11.7, 4.0.0 up to 4.0.1 | 3.9.143.10.113.11.74.0.1 |
moodle/moodlePackagist |
4.0 up to 4.0.1, plus listed versions v4.0.0v4.0.0-betav4.0.0-rc1v4.0.0-rc2v4.0.0-rc3v4.0.0-rc4 |
4.0.1 |
moodle/moodlePackagist |
3.9 up to 3.9.14, plus listed versions v3.9.0v3.9.0-betav3.9.0-rc1v3.9.0-rc2v3.9.0-rc3 Show 13 moreShow lessv3.9.1v3.9.10v3.9.11v3.9.12v3.9.13v3.9.2v3.9.3v3.9.4v3.9.5v3.9.6v3.9.7v3.9.8v3.9.9 |
3.9.14 |
moodle/moodlePackagist |
3.10 up to 3.10.11, plus listed versions v3.10.0v3.10.0-betav3.10.0-rc1v3.10.0-rc2v3.10.1 Show 9 moreShow lessv3.10.10v3.10.2v3.10.3v3.10.4v3.10.5v3.10.6v3.10.7v3.10.8v3.10.9 |
3.10.11 |
moodle/moodlePackagist |
3.11 up to 3.11.7, plus listed versions v3.11.0v3.11.0-betav3.11.0-rc1v3.11.0-rc2v3.11.1 Show 5 moreShow lessv3.11.2v3.11.3v3.11.4v3.11.5v3.11.6 |
3.11.7 |
moodleUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
moodleUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Boonjune/POC-CVE-2022-30600 | 2022-10-02 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-30600 is a critical vulnerability (CVSS 9.8) in Moodle, published May 18, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.06%, the 92nd percentile. Fixed in moodle/moodle 4.0.1.
References
moodle.org/mod/forum/discuss.php?d=434582
bugzilla.redhat.com/show_bug.cgi?id=2083613
git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-73736
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PIMSIRKCFLIC646K4GMUSZU7THOUVPAJ
Show 10 moreShow less
nvd.nist.gov/vuln/detail/CVE-2022-30600
github.com/moodle/moodle/commit/59b5858da200f63ecb59a9113af2b99ef1496fe5
ubuntu.com/security/CVE-2022-30600
cve.org/CVERecord?id=CVE-2022-30600