Flask-AppBuilder up to 3.4.3 timing discrepancy

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Flask-AppBuilder up to 3.4.3. It has been rated as problematic. The impacted element is an unknown function. Performing a manipulation results in timing discrepancy. This vulnerability is known as CVE-2022-21659. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Flask-AppBuilder up to 3.4.3. This affects an unknown function. The manipulation with an unknown input leads to a timing discrepancy vulnerability. CWE is classifying the issue as CWE-208. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not. This is going to have an impact on confidentiality.

The weakness was published 02/01/2022 as GHSA-wfjw-w6pv-8p7f. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-21659 since 11/16/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 3.4.4 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Timing discrepancy
CWE: CWE-208 / CWE-203 / CWE-200
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Flask-AppBuilder 3.4.4
Patch: github.com

Timelineinfo

11/16/2021 🔍
02/01/2022 +77 days 🔍
02/01/2022 +0 days 🔍
03/07/2025 +1130 days 🔍

Sourcesinfo

Advisory: GHSA-wfjw-w6pv-8p7f
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-21659 (🔍)
GCVE (CVE): GCVE-0-2022-21659
GCVE (VulDB): GCVE-100-192045

Entryinfo

Created: 02/01/2022 08:07
Updated: 03/07/2025 17:17
Changes: 02/01/2022 08:07 (49), 02/04/2022 08:56 (2), 03/07/2025 17:17 (33)
Complete: 🔍
Cache ID: 216::103

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