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CVE-2010-5330

Ubiquiti AirOS Command Injection

9.8 CRITICALActively exploited (CISA KEV)EPSS 39.4%
  1. Published11 Jun 2019
  2. Added to CISA KEV15 Apr 2022
  3. Remediation due6 May 2022
Actively exploited (CISA KEV)

Certain Ubiquiti devices contain a command injection vulnerability via a GET request to stainfo.cgi.

Added to KEV: 15 Apr 2022Federal remediation due: 6 May 2022

Description

On certain Ubiquiti devices, Command Injection exists via a GET request to stainfo.cgi (aka Show AP info) because the ifname variable is not sanitized, as demonstrated by shell metacharacters. The fixed version is v4.0.1 for 802.11 ISP products, v5.3.5 for AirMax ISP products, and v5.4.5 for AirSync firmware. For example, Nanostation5 (Air OS) is affected.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

UI Airos≥ 4.0.2 < 5.3.5 · ≥ 5.3.6 < 5.4.5 · < 4.0.1

Remediation

Fixed in
UI Airos≥ 5.3.5

References

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Frequently asked

Is CVE-2010-5330 being actively exploited?

Yes. CVE-2010-5330 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 15 Apr 2022.

How severe is CVE-2010-5330?

CVE-2010-5330 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 39.4% probability of exploitation.

Which products are affected by CVE-2010-5330?

Affected products include UI Airos.

How do I fix CVE-2010-5330?

Upgrade affected software to a fixed version, for example UI Airos 5.3.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2010-5330 against the real software inventory on every managed device, every day. 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, Secuno flags any affected asset as top-priority automatically. 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.