How severe is CVE-2020-10383?

CVE-2020-10383 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-10383 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10383?

CVE-2020-10383 primarily affects Mbconnectline Mbconnect24. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-10383?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-10383 published?

CVE-2020-10383 was published on 2020-04-14 and last updated on 2026-06-17.

CVE-2020-10383

CVE-2020-10383 is a critical-severity vulnerability in Mbconnectline Mbconnect24 with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mbconnectline Mbconnect24
Published: 2020-04-14
Last modified: 2026-06-17

Description

An issue was discovered in the MB CONNECT LINE mymbCONNECT24 and mbCONNECT24 software in all versions through 2.5.0. There is an unauthenticated remote code execution in the com_mb24sysapi module.

Frequently asked questions

What is CVE-2020-10383?: An issue was discovered in the MB CONNECT LINE mymbCONNECT24 and mbCONNECT24 software in all versions through 2.5.0. There is an unauthenticated remote code execution in the com_mb24sysapi module.
How severe is CVE-2020-10383?: CVE-2020-10383 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-10383 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10383?: CVE-2020-10383 primarily affects Mbconnectline Mbconnect24. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-10383?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-10383 published?: CVE-2020-10383 was published on 2020-04-14 and last updated on 2026-06-17.

References

https://mbconnectline.com/security-advice/

Affected products (2)

cpe:2.3:a:mbconnectline:mbconnect24:*:*:*:*:*:*:*:*
cpe:2.3:a:mbconnectline:mymbconnect24:*:*:*:*:*:*:*:*

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