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GoogleOSV:CVE-2021-20185

HistoryJan 28, 2021 - 8:15 p.m.

CVE-2021-20185

2021-01-2820:15:13

Google

osv.dev

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

6.7 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

39.5%

JSON

It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that messaging did not impose a character limit when sending messages, which could result in client-side (browser) denial of service for users receiving very large messages.

CPENameOperatorVersion
moodleeq3.8.5
moodleeq3.8.6
moodleeq3.8.4
moodleeq3.8.0
moodleeq3.8.2
moodleeq3.8.1
moodleeq3.8.3

Name	Operator	Version
moodle	eq	3.8.5
moodle	eq	3.8.6
moodle	eq	3.8.4
moodle	eq	3.8.0
moodle	eq	3.8.2
moodle	eq	3.8.1
moodle	eq	3.8.3

References

moodle.org/mod/forum/discuss.php?d=417168

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

6.7 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

39.5%

JSON

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