Progress WS_FTP Server up to 8.7.3/8.8.1 Ad Hoc Transfer deserialization

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Progress WS_FTP Server up to 8.7.3/8.8.1 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Ad Hoc Transfer Module. The manipulation leads to deserialization. This vulnerability is listed as CVE-2023-40044. The attack may be initiated remotely. In addition, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Progress WS_FTP Server up to 8.7.3/8.8.1 (File Transfer Software). This issue affects an unknown part of the component Ad Hoc Transfer Module. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a pre-authenticated attacker could leverage a .NET deserialization vulnerability in the Ad Hoc Transfer module to execute remote commands on the underlying WS_FTP Server operating system.

The weakness was presented 09/27/2023. It is possible to read the advisory at community.progress.com. The identification of this vulnerability is CVE-2023-40044 since 08/08/2023. Technical details are unknown but an exploit is available.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 10/05/2023 with a due date of 10/26/2023:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Upgrading to version 8.7.4 or 8.8.2 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.7
VulDB Meta Temp Score: 8.6

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 10.0
CNA Vector (Progress Software Corporation): 🔍

CVSSv2info

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

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

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: WS_FTP Server 8.7.4/8.8.2

Timelineinfo

08/08/2023 🔍
09/27/2023 +50 days 🔍
09/27/2023 +0 days 🔍
10/31/2025 +765 days 🔍

Sourcesinfo

Advisory: 174917
Status: Confirmed

CVE: CVE-2023-40044 (🔍)
GCVE (CVE): GCVE-0-2023-40044
GCVE (VulDB): GCVE-100-240383
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/27/2023 17:54
Updated: 10/31/2025 23:25
Changes: 09/27/2023 17:54 (49), 10/16/2023 14:10 (1), 10/16/2023 14:11 (12), 04/29/2024 14:46 (26), 09/09/2024 22:30 (2), 01/27/2025 23:42 (1), 10/31/2025 23:25 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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