AnyDesk up to 6.2.5/6.3.4 ~/Downloads/ unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in AnyDesk up to 6.2.5/6.3.4. This issue affects some unknown processing of the file ~/Downloads/. This manipulation causes unrestricted upload. This vulnerability appears as CVE-2021-44426. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in AnyDesk up to 6.2.5/6.3.4. Affected by this vulnerability is some unknown processing of the file ~/Downloads/. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in AnyDesk before 6.2.6 and 6.3.x before 6.3.5. An upload of an arbitrary file to a victim's local ~/Downloads/ directory is possible if the victim is using the AnyDesk Windows client to connect to a remote machine, if an attacker is also connected remotely with AnyDesk to the same remote machine. The upload is done without any approval or action taken by the victim.

The weakness was presented 09/13/2022. The advisory is shared at argus-sec.com. This vulnerability is known as CVE-2021-44426 since 11/29/2021. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

Upgrading to version 6.2.6 or 6.3.5 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
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: AnyDesk 6.2.6/6.3.5

Timelineinfo

11/29/2021 🔍
09/13/2022 +287 days 🔍
09/13/2022 +0 days 🔍
10/15/2022 +32 days 🔍

Sourcesinfo

Advisory: argus-sec.com
Status: Confirmed

CVE: CVE-2021-44426 (🔍)
GCVE (CVE): GCVE-0-2021-44426
GCVE (VulDB): GCVE-100-208333

Entryinfo

Created: 09/13/2022 09:52
Updated: 10/15/2022 13:37
Changes: 09/13/2022 09:52 (39), 10/15/2022 13:37 (11)
Complete: 🔍
Cache ID: 216::103

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