freeSSHd 1.0.9 on Windows denial of service

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in freeSSHd 1.0.9 on Windows. Affected is an unknown function. Performing a manipulation results in denial of service. This vulnerability is reported as CVE-2024-0723. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability was found in freeSSHd 1.0.9 on Windows (SSH Server Software). It has been classified as problematic. This affects some unknown functionality. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was disclosed 01/19/2024 as 176545. It is possible to read the advisory at packetstormsecurity.com. This vulnerability is uniquely identified as CVE-2024-0723. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The exploit is shared for download at packetstormsecurity.com. It is declared as proof-of-concept.

It is possible to mitigate the weakness by firewalling .

The vulnerability is also documented in the vulnerability database at Exploit-DB (52342). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

SSH Server Software

Name

freeSSHd

Version

1.0.9

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (VulDB): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/19/2024 🔍
01/19/2024 +0 days 🔍
01/19/2024 +0 days 🔍
08/09/2025 +568 days 🔍

Sourcesinfo

Advisory: 176545
Status: Not defined

CVE: CVE-2024-0723 (🔍)
GCVE (CVE): GCVE-0-2024-0723
GCVE (VulDB): GCVE-100-251547
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/19/2024 10:58
Updated: 08/09/2025 19:24
Changes: 01/19/2024 10:58 (42), 02/15/2024 08:32 (2), 02/15/2024 08:36 (28), 08/09/2025 19:24 (16)
Complete: 🔍
Submitter: fernando.mengali
Cache ID: 216::103

Submitinfo

Accepted

Submit #268010: freesshd freesshd 1.0.9 Denial of Service (by fernando.mengali)

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