BaserCMS ZIP File path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in BaserCMS. Affected by this vulnerability is an unknown functionality of the component ZIP File Handler. Performing a manipulation results in path traversal. This vulnerability is known as CVE-2021-41279. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in BaserCMS (Content Management System) (the affected version is unknown). This affects an unknown code of the component ZIP File Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality.

The weakness was published 11/26/2021 as GHSA-4x2f-54wr-4hjg. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-41279 since 09/15/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability. Applying the patch d8ab0a81a7bce35cc95ff7dff851a7e87a084336 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 7.7
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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: 🔍

Patch: d8ab0a81a7bce35cc95ff7dff851a7e87a084336

Timelineinfo

09/15/2021 🔍
11/26/2021 +72 days 🔍
11/26/2021 +0 days 🔍
12/02/2021 +6 days 🔍

Sourcesinfo

Advisory: GHSA-4x2f-54wr-4hjg
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-41279 (🔍)
GCVE (CVE): GCVE-0-2021-41279
GCVE (VulDB): GCVE-100-187275

Entryinfo

Created: 11/26/2021 20:41
Updated: 12/02/2021 10:45
Changes: 11/26/2021 20:41 (50), 12/02/2021 10:40 (2), 12/02/2021 10:45 (18)
Complete: 🔍
Cache ID: 216::103

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