CVE-2021-20280
Moodle Text Brute Force Injection & Stored XSS
Description
Text-based feedback answers required additional sanitizing to prevent stored XSS and blind SSRF risks in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.
INFO
Published Date :
March 15, 2021, 10:15 p.m.
Last Modified :
Nov. 7, 2023, 3:29 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
2.3
Public PoC/Exploit Available at Github
CVE-2021-20280 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-20280.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Сканування за допомогою ПЗ Badmoodle системи дистанційного навчання ДУІТЗ
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-20280 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20280 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/ [No types assigned] Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/ [No types assigned] Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FGOMHMYM3WICJ6D6U22Z6LPJGT5A6MZM/ [No types assigned] Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/ Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/ Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/FGOMHMYM3WICJ6D6U22Z6LPJGT5A6MZM/ -
Modified Analysis by [email protected]
Nov. 30, 2021
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/164817/Moodle-Cross-Site-Scripting-Server-Side-Request-Forgery.html No Types Assigned http://packetstormsecurity.com/files/164817/Moodle-Cross-Site-Scripting-Server-Side-Request-Forgery.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/FGOMHMYM3WICJ6D6U22Z6LPJGT5A6MZM/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/FGOMHMYM3WICJ6D6U22Z6LPJGT5A6MZM/ Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 17, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/FGOMHMYM3WICJ6D6U22Z6LPJGT5A6MZM/ [No Types Assigned] Added Reference http://packetstormsecurity.com/files/164817/Moodle-Cross-Site-Scripting-Server-Side-Request-Forgery.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 10, 2021
Action Type Old Value New Value Removed Reference http://packetstormsecurity.com/files/164817/Moodle-Cross-Site-Scripting-Server-Side-Request-Forgery.html [No Types Assigned] Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/FGOMHMYM3WICJ6D6U22Z6LPJGT5A6MZM/ [No Types Assigned] -
CVE Modified by [email protected]
Nov. 09, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/FGOMHMYM3WICJ6D6U22Z6LPJGT5A6MZM/ [No Types Assigned] Added Reference http://packetstormsecurity.com/files/164817/Moodle-Cross-Site-Scripting-Server-Side-Request-Forgery.html [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 23, 2021
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/ Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 23, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/ [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 22, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1939037 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1939037 Issue Tracking, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/ Third Party Advisory Changed Reference Type https://moodle.org/mod/forum/discuss.php?d=419651 No Types Assigned https://moodle.org/mod/forum/discuss.php?d=419651 Patch, Vendor Advisory Added CWE NIST CWE-79 Added CPE Configuration OR *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 3.5.0 up to (excluding) 3.5.17 *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 3.8.0 up to (excluding) 3.8.8 *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 3.9.0 up to (excluding) 3.9.5 *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 3.10.0 up to (excluding) 3.10.2 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 19, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20280 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-20280
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.29 }} 0.01%
score
0.69166
percentile