CVE-2022-21659 Security Vulnerability & Exploit Details

CVE-2022-21659
Vulnerability Scoring

5.3

/10

Significant Risk

Security assessments indicate that CVE-2022-21659 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

Attack Complexity: Low
Exploits can be performed without significant complexity or special conditions.
Attack Vector: Network
Vulnerability is exploitable over a network without physical access.
Privileges Required: None
No privileges are required for exploitation.
Scope: Unchanged
Exploit remains within the originally vulnerable component.
User Interaction: None
No user interaction is necessary for exploitation.

CVE-2022-21659 Details

Status: Modified

Last updated: 🕝 07 Mar 2025, 14:37 UTC
Originally published on: 🕘 31 Jan 2022, 21:15 UTC

Time between publication and last update: 1130 days

CVSS Release: version 3

CVSS3 Source

security-advisories@github.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVE-2022-21659 Vulnerability Summary

CVE-2022-21659: Flask-AppBuilder is an application development framework, built on top of the Flask web framework. In affected versions there exists a user enumeration vulnerability. This vulnerability allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in. Users are advised to upgrade to version 3.4.4 as soon as possible. There are no known workarounds for this issue.

Assessing the Risk of CVE-2022-21659

Access Complexity Graph

The exploitability of CVE-2022-21659 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2022-21659

With low attack complexity and no required privileges, CVE-2022-21659 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2022-21659, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2022-21659, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

Confidentiality: Low
CVE-2022-21659 could lead to minor leaks of non-critical information without major privacy breaches.
Integrity: None
CVE-2022-21659 poses no threat to data integrity.
Availability: None
CVE-2022-21659 does not impact system availability.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.071% (probability of exploit)

EPSS Percentile: 34.09% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 65.91% of others.

CVE-2022-21659 References

External References

CWE Common Weakness Enumeration

CWE-203

CAPEC Common Attack Pattern Enumeration and Classification

Black Box Reverse Engineering CAPEC-189 An adversary discovers the structure, function, and composition of a type of computer software through black box analysis techniques. 'Black Box' methods involve interacting with the software indirectly, in the absence of direct access to the executable object. Such analysis typically involves interacting with the software at the boundaries of where the software interfaces with a larger execution environment, such as input-output vectors, libraries, or APIs. Black Box Reverse Engineering also refers to gathering physical side effects of a hardware device, such as electromagnetic radiation or sounds.

Vulnerable Configurations

cpe:2.3:a:dpgaspar:flask-appbuilder:-:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:-:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.4:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.4:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.5:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.5:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.6:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.9.6:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.10.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.10.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.11.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.11.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.11.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.11.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.12.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.12.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.12.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.12.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.12.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.12.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.12.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.12.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.12.4:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.12.4:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.12.5:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.12.5:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.13.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.13.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.13.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:1.13.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.4:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.4:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.5:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.5:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.6:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.6:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.7:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.7:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.8:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.8:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.9:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.9:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.10:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.10:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.11:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.11:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.12:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.12:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.13:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.1.13:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.2.1:-:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.2.1:-:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.2.1:rc1:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.2.1:rc1:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.2.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.2.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.2.4:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.2.4:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.3.4:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:2.3.4:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.3.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.3.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.3.4:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.3.4:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.4.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.4.0:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.4.1:*:*:*:*:*:*:*
cpe:2.3:a:dpgaspar:flask-appbuilder:3.4.1:*:*:*:*:*:*:*

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CVE-2022-21659 Vulnerability Scoring