How severe is CVE-2020-15640?

CVE-2020-15640 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-2020-15640 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15640?

CVE-2020-15640 affects Marvell Qconvergeconsole. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15640?

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-2020-15640 published?

CVE-2020-15640 was published on 2020-08-25 and last updated on 2026-06-17.

CVE-2020-15640

CVE-2020-15640 is a high-severity vulnerability in Marvell Qconvergeconsole 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Marvell Qconvergeconsole
Published: 2020-08-25
Last modified: 2026-06-17

Description

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Marvell QConvergeConsole 5.5.0.64. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getFileUploadBytes method of the FlashValidatorServiceImpl class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-10497.

Frequently asked questions

What is CVE-2020-15640?: This vulnerability allows remote attackers to disclose sensitive information on affected installations of Marvell QConvergeConsole 5.5.0.64. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getFileUploadBytes method of the FlashValidatorServiceImpl class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-10497.
How severe is CVE-2020-15640?: CVE-2020-15640 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-2020-15640 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15640?: CVE-2020-15640 affects Marvell Qconvergeconsole. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15640?: 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-2020-15640 published?: CVE-2020-15640 was published on 2020-08-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:marvell:qconvergeconsole:*:*:*:*:*:*:*:*

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