Mesalvo Meona Client Launcher Component cleartext storage in memory

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Mesalvo Meona Client Launcher Component and Meona Server Component. It has been rated as problematic. This affects an unknown part. This manipulation causes cleartext storage in memory. This vulnerability is handled as CVE-2026-0857. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Mesalvo Meona Client Launcher Component and Meona Server Component (version unknown). Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a cleartext storage in memory vulnerability. The CWE definition for the vulnerability is CWE-316. The product stores sensitive information in cleartext in memory. As an impact it is known to affect confidentiality. The summary by CVE is:

Cleartext Storage of Sensitive Information in Memory vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020.

The advisory is shared at seccore.at. This vulnerability is known as CVE-2026-0857 since 01/12/2026. The exploitation appears to be easy. An attack has to be approached locally. The exploitation needs additional levels of successful authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1555 for this issue.

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

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.1

VulDB Base Score: 2.3
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.0
CNA Vector (ENISA): 🔒

CVSSv2info

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

Exploitinginfo

Class: Cleartext storage in memory
CWE: CWE-316 / CWE-312 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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

01/12/2026 CVE reserved
05/20/2026 +127 days Advisory disclosed
05/20/2026 +0 days VulDB entry created
05/20/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: seccore.at
Status: Not defined

CVE: CVE-2026-0857 (🔒)
GCVE (CVE): GCVE-0-2026-0857
GCVE (VulDB): GCVE-100-364861

Entryinfo

Created: 05/20/2026 14:11
Changes: 05/20/2026 14:11 (59)
Complete: 🔍
Cache ID: 216::103

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