| Vulnerability Name: | CVE-2020-25629 (CCN-192794) |
| Assigned: | 2020-09-21 |
| Published: | 2020-09-21 |
| Updated: | 2022-10-21 |
| Summary: | A vulnerability was found in Moodle where users with "Log in as" capability in a course context (typically, course managers) may gain access to some site administration capabilities by "logging in as" a System manager. This affects 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. This is fixed in 3.9.2, 3.8.5, 3.7.8 and 3.5.14.
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| CVSS v3 Severity: | 8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): High
Integrity (I): High
Availibility (A): High |
6.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)
5.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low |
|
| CVSS v2 Severity: | 6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance | | Impact Metrics: | Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial |
6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
| | Impact Metrics: | Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial |
|
| Vulnerability Type: | CWE-862
|
| Vulnerability Consequences: | Gain Privileges |
| References: | Source: MITRE
Type: CNA
CVE-2020-25629
Source: XF
Type: UNKNOWN
moodle-cve202025629-priv-esc(192794)
Source: CCN
Type: Moodle Security Advisory MSA-20-0013
"Log in as" capability in a course context may lead to some privilege escalation
Source: CONFIRM
Type: Patch, Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=410841
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| Vulnerable Configuration: | Configuration 1:
cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.8.0 and < 3.8.5)OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.9.0 and < 3.9.2)OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.7.0 and < 3.7.8)OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.5.0 and < 3.5.14)
Configuration CCN 1:
cpe:/a:moodle:moodle:3.5.0:*:*:*:*:*:*:*OR cpe:/a:moodle:moodle:3.7.0:*:*:*:*:*:*:*OR cpe:/a:moodle:moodle:3.9.0:-:*:*:*:*:*:*OR cpe:/a:moodle:moodle:3.9.1:*:*:*:*:*:*:*OR cpe:/a:moodle:moodle:3.8.4:*:*:*:*:*:*:*OR cpe:/a:moodle:moodle:3.7.7:*:*:*:*:*:*:*
 Denotes that component is vulnerable |
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