Impacket up to 0.9.22 smbserver.py pathname traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Impacket up to 0.9.22. It has been classified as critical. Affected is an unknown function of the file smbserver.py. Performing a manipulation results in pathname traversal. This vulnerability is cataloged as CVE-2021-31800. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in Impacket up to 0.9.22. This affects an unknown code block of the file smbserver.py. The manipulation with an unknown input leads to a pathname traversal vulnerability. CWE is classifying the issue as CWE-21. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 05/05/2021 as 49c643bf66620646884ed141c94e5fdd85bcdd2f. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-31800. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Pathname traversal
CWE: CWE-21 / CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

04/25/2021 🔍
05/05/2021 +10 days 🔍
05/05/2021 +0 days 🔍
05/07/2021 +2 days 🔍

Sourcesinfo

Advisory: 49c643bf66620646884ed141c94e5fdd85bcdd2f
Status: Confirmed

CVE: CVE-2021-31800 (🔍)
GCVE (CVE): GCVE-0-2021-31800
GCVE (VulDB): GCVE-100-174459

Entryinfo

Created: 05/05/2021 14:50
Updated: 05/07/2021 14:59
Changes: 05/05/2021 14:50 (38), 05/07/2021 14:59 (5)
Complete: 🔍
Cache ID: 216::103

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