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CVE-2020-2506

QNAP Helpdesk Improper Access Control

7.3 HIGHActively exploited (CISA KEV)EPSS 1.98%
  1. Published3 Feb 2021
  2. Added to CISA KEV25 Mar 2022
  3. Remediation due15 Apr 2022
Actively exploited (CISA KEV)

QNAP Helpdesk contains an improper access control vulnerability which could allow an attacker to gain privileges or to read sensitive information.

Added to KEV: 25 Mar 2022Federal remediation due: 15 Apr 2022

Description

The vulnerability have been reported to affect earlier versions of QTS. If exploited, this improper access control vulnerability could allow attackers to compromise the security of the software by gaining privileges, or reading sensitive information. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.3.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

QNAP Helpdesk< 3.0.3

Remediation

Fixed in
QNAP Helpdesk≥ 3.0.3

References

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Frequently asked

Is CVE-2020-2506 being actively exploited?

Yes. CVE-2020-2506 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 25 Mar 2022.

How severe is CVE-2020-2506?

CVE-2020-2506 has a CVSS 3.1 base score of 7.3, rated high. EPSS estimates a 1.98% probability of exploitation.

Which products are affected by CVE-2020-2506?

Affected products include QNAP Helpdesk.

How do I fix CVE-2020-2506?

Upgrade affected software to a fixed version, for example QNAP Helpdesk 3.0.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2020-2506 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.