Vulnerability Details : CVE-2021-21275
The MediaWiki "Report" extension has a Cross-Site Request Forgery (CSRF) vulnerability. Before fixed version, there was no protection against CSRF checks on Special:Report, so requests to report a revision could be forged. The problem has been fixed in commit f828dc6 by making use of MediaWiki edit tokens.
Vulnerability category: Cross-site request forgery (CSRF)
Exploit prediction scoring system (EPSS) score for CVE-2021-21275
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 27 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-21275
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
NIST |
|
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
|
GitHub, Inc. |
CWE ids for CVE-2021-21275
-
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.Assigned by:
- nvd@nist.gov (Primary)
- security-advisories@github.com (Secondary)
References for CVE-2021-21275
-
https://www.oracle.com/security-alerts/cpuapr2022.html
Oracle Critical Patch Update Advisory - April 2022Third Party Advisory
-
https://www.oracle.com//security-alerts/cpujul2021.html
Oracle Critical Patch Update Advisory - July 2021Third Party Advisory
-
https://github.com/Kenny2github/Report/commit/f828dc6f73cdfaea5639edbf8ac7b326eeefb117
Add CSRF check for Special:Report · Kenny2github/Report@f828dc6 · GitHubPatch;Third Party Advisory
-
https://github.com/Kenny2github/Report/security/advisories/GHSA-9f3w-c334-jm2h
CSRF vulnerability for reporting revisions · Advisory · Kenny2github/Report · GitHubPatch;Third Party Advisory
Products affected by CVE-2021-21275
- cpe:2.3:a:oracle:communications_pricing_design_center:12.0.0.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_pricing_design_center:12.0.0.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:report_project:report:*:*:*:*:*:mediawiki:*:*