Vulnerability Details : 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.
Products affected by CVE-2020-1755
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-1755
0.27%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-1755
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2020-1755
-
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2020-1755
-
https://moodle.org/mod/forum/discuss.php?d=398351
Moodle.org: MSA-20-0003: IP addresses can be spoofed using X-Forwarded-For | Moodle.orgPatch;Vendor Advisory
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