Znuny up to 6.5.10/7.0.16 Email Parser resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Znuny up to 6.5.10/7.0.16. The affected element is an unknown function of the component Email Parser. This manipulation causes resource consumption. This vulnerability is registered as CVE-2024-48938. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in Znuny up to 6.5.10/7.0.16 and classified as problematic. Affected by this vulnerability is an unknown code of the component Email Parser. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. The summary by CVE is:

Znuny before LTS 6.5.1 through 6.5.10 and 7.0.1 through 7.0.16 allows DoS/ReDos via email. Parsing the content of emails where HTML code is copied from Microsoft Word could lead to high CPU usage and block the parsing process.

The advisory is shared at znuny.org. This vulnerability is known as CVE-2024-48938 since 10/09/2024. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-43140). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/09/2024 🔍
10/12/2024 +3 days 🔍
10/12/2024 +0 days 🔍
06/15/2025 +246 days 🔍

Sourcesinfo

Advisory: znuny.org
Status: Confirmed

CVE: CVE-2024-48938 (🔍)
GCVE (CVE): GCVE-0-2024-48938
GCVE (VulDB): GCVE-100-280165
EUVD: 🔍

Entryinfo

Created: 10/12/2024 08:03
Updated: 06/15/2025 23:48
Changes: 10/12/2024 08:03 (52), 03/14/2025 15:32 (12), 06/15/2025 23:48 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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