How severe is CVE-2020-12528?

CVE-2020-12528 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-12528 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12528?

CVE-2020-12528 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-2020-12528?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-12528 published?

CVE-2020-12528 was published on 2021-03-02 and last updated on 2026-06-17.

CVE-2020-12528

CVE-2020-12528 is a medium-severity vulnerability in Mbconnectline Mbconnect24 with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Mbconnectline Mbconnect24
Published: 2021-03-02
Last modified: 2026-06-17

Description

An issue was discovered in MB connect line mymbCONNECT24 and mbCONNECT24 software in all versions through V2.6.2. Improper use of access validation allows a logged in user to kill web2go sessions in the account he should not have access to.

Frequently asked questions

What is CVE-2020-12528?: An issue was discovered in MB connect line mymbCONNECT24 and mbCONNECT24 software in all versions through V2.6.2. Improper use of access validation allows a logged in user to kill web2go sessions in the account he should not have access to.
How severe is CVE-2020-12528?: CVE-2020-12528 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-12528 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12528?: CVE-2020-12528 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-2020-12528?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-12528 published?: CVE-2020-12528 was published on 2021-03-02 and last updated on 2026-06-17.

References

https://cert.vde.com/de-de/advisories/vde-2021-003

Affected products (2)

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

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