CVE-2020-1755 json
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 addr…
published 2022-08-16 4 y ago modified 2026-09-08 2 mo ago also BIT-moodle-2020-1755 , EUVD-2020-12585
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- bitnami moodle 3.5.11, 3.6.9, 3.7.5, 3.8.2
- moodle moodle 3.5.11, 3.6.9, 3.7.5, 3.8.2
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| OSV | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | moodle | >=3.5.0, <3.5.11 >=3.6.0, <3.6.9 >=3.7.0, <3.7.5 >=3.8.0, <3.8.2 |
3.5.11 3.6.9 3.7.5 3.8.2 |
Affected products
- n/a Moodle
Classification
- Weakness
-
- CWE-345 Insufficient Verification of Data Authenticity
References
-
moodle.org
/mod/forum/discuss.php?d=398351
patch, vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-1755
web
Sources
- CVE List CVE-2020-1755
- NVD CVE-2020-1755
- OSV BIT-moodle-2020-1755
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.