Medium severity · published Aug 16, 2022
CVE-2020-1755
In Moodle before 3.8.2, 3.7.5, 3.6.9 and 3.5.11, X-Forwarded-For headers could be used to spoof a user's IP, in order to bypass remote address checks
5.3
CVSS
0.5%
EPSS
No
On KEV
Description
In Moodle before 3.8.2, 3.7.5, 3.6.9 and 3.5.11, X-Forwarded-For headers could be used to spoof a user's IP, in order to bypass remote address checks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
3.5.0 before 3.5.11; 3.6.0 before 3.6.9; 3.7.0 before 3.7.5; 3.8.0 before 3.8.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-1755
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-1755
Patch
https://moodle.org/mod/forum/discuss.php?d=398351
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