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| Vulnerability ID | VCID-9y7p-49ex-cqga |
| Aliases |
CVE-2020-25630
GHSA-66xp-28cq-mrf2 |
| Summary | Moodle Denial of Service A vulnerability was found in Moodle where the decompressed size of zip files was not checked against available user quota before unzipping them, which could lead to a denial of service risk. This affects versions 3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions. Fixed in 3.9.2, 3.8.5, 3.7.8 and 3.5.14. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 8.0 |
| Risk | 4.0 |
| Affected and Fixed Packages | Package Details |
| System | Score | Found at |
|---|---|---|
| epss | 0.00497 | https://api.first.org/data/v1/epss?cve=CVE-2020-25630 |
| epss | 0.00497 | https://api.first.org/data/v1/epss?cve=CVE-2020-25630 |
| cvssv3.1_qr | HIGH | https://github.com/advisories/GHSA-66xp-28cq-mrf2 |
| cvssv3.1 | 7.5 | https://github.com/moodle/moodle |
| generic_textual | HIGH | https://github.com/moodle/moodle |
| cvssv3.1 | 7.5 | https://moodle.org/mod/forum/discuss.php?d=410842 |
| generic_textual | HIGH | https://moodle.org/mod/forum/discuss.php?d=410842 |
| cvssv2 | 5.0 | https://nvd.nist.gov/vuln/detail/CVE-2020-25630 |
| cvssv3.1 | 7.5 | https://nvd.nist.gov/vuln/detail/CVE-2020-25630 |
| generic_textual | HIGH | https://nvd.nist.gov/vuln/detail/CVE-2020-25630 |
| Reference id | Reference type | URL |
|---|---|---|
| https://api.first.org/data/v1/epss?cve=CVE-2020-25630 | ||
| https://github.com/moodle/moodle | ||
| https://moodle.org/mod/forum/discuss.php?d=410842 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2020-25630 | ||
| cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* | https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* | |
| GHSA-66xp-28cq-mrf2 | https://github.com/advisories/GHSA-66xp-28cq-mrf2 |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Exploitability (E) | Access Vector (AV) | Access Complexity (AC) | Authentication (Au) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|
high functional unproven proof_of_concept not_defined |
local adjacent_network network |
high medium low |
multiple single none |
none partial complete |
none partial complete |
none partial complete |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Percentile | 0.6478 |
| EPSS Score | 0.00497 |
| Published At | June 30, 2025, 12:55 p.m. |
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2025-07-01T12:25:50.991137+00:00 | GithubOSV Importer | Import | https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-66xp-28cq-mrf2/GHSA-66xp-28cq-mrf2.json | 36.1.3 |