Vulnerability Details : CVE-2021-41265
Flask-AppBuilder is a development framework built on top of Flask. Verions prior to 3.3.4 contain an improper authentication vulnerability in the REST API. The issue allows for a malicious actor with a carefully crafted request to successfully authenticate and gain access to existing protected REST API endpoints. This only affects non database authentication types and new REST API endpoints. Users should upgrade to Flask-AppBuilder 3.3.4 to receive a patch.
Vulnerability category: BypassGain privilege
Products affected by CVE-2021-41265
- cpe:2.3:a:flask-appbuilder_project:flask-appbuilder:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-41265
0.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-41265
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
8.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
2.8
|
5.2
|
GitHub, Inc. |
CWE ids for CVE-2021-41265
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: security-advisories@github.com (Primary)
References for CVE-2021-41265
-
https://github.com/dpgaspar/Flask-AppBuilder/releases/tag/v3.3.4
Release 3.3.4 · dpgaspar/Flask-AppBuilder · GitHubRelease Notes;Third Party Advisory
-
https://github.com/dpgaspar/Flask-AppBuilder/commit/eba517aab121afa3f3f2edb011ec6bc4efd61fbc
chore: improve schema validation (#1712) · dpgaspar/Flask-AppBuilder@eba517a · GitHubPatch;Third Party Advisory
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https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-m3rf-7m4w-r66q
Improper Authentication in Flask-AppBuilder · Advisory · dpgaspar/Flask-AppBuilder · GitHubThird Party Advisory
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