How severe is CVE-2020-23283?

CVE-2020-23283 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-23283 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23283?

CVE-2020-23283 primarily affects Mv Mconnect. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-23283?

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

When was CVE-2020-23283 published?

CVE-2020-23283 was published on 2021-07-21 and last updated on 2026-06-17.

CVE-2020-23283

CVE-2020-23283 is a high-severity vulnerability in Mv Mconnect with a CVSS 3.x base score of 7.5. 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-307.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Mv Mconnect
Published: 2021-07-21
Last modified: 2026-06-17

Description

Information disclosure in Logon Page in MV's mConnect application v02.001.00 allows an attacker to know valid users from the application's database via brute force.

Frequently asked questions

What is CVE-2020-23283?: Information disclosure in Logon Page in MV's mConnect application v02.001.00 allows an attacker to know valid users from the application's database via brute force.
How severe is CVE-2020-23283?: CVE-2020-23283 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-23283 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23283?: CVE-2020-23283 primarily affects Mv Mconnect. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-23283?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-23283 published?: CVE-2020-23283 was published on 2021-07-21 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:mv:mconnect:02.001.00:*:*:*:*:*:*:*
cpe:2.3:a:mv:mconnect:2013.1.6.8:*:*:*:*:*:*:*

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