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CVE-2020-25629

HIGH
8.8
CVSS Score
Published: December 8, 2020 at 12:16 AM UTC
Updated: June 17, 2026 at 03:07 AM UTC
1 product affected across 1 vendorMoodle

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Severity
HIGH8.8
Exploit prediction
EPSS 1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Moodle· Moodle
95%
3.5 ≤ v ≤ 3.5.133.5.0 ≤ v < 3.5.143.7 ≤ v ≤ 3.7.73.7.0 ≤ v < 3.7.83.8 ≤ v ≤ 3.8.43.8.0 ≤ v < 3.8.53.9 ≤ v ≤ 3.9.13.9.0 ≤ v < 3.9.2earlier unsupported versions
Affected range stops below 3.5.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.7.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.8.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.9.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://moodle.org/mod/forum/discuss.php?d=410841

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284CWE-862

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