How severe is CVE-2020-12695?

CVE-2020-12695 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.

Is CVE-2020-12695 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12695?

CVE-2020-12695 primarily affects Ui Unifi Controller. In total, 220 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12695?

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-2020-12695 published?

CVE-2020-12695 was published on 2020-06-08 and last updated on 2026-06-17.

CVE-2020-12695

CVE-2020-12695 is a high-severity vulnerability in Ui Unifi Controller with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-276.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Ui Unifi Controller
Published: 2020-06-08
Last modified: 2026-06-17

Description

The Open Connectivity Foundation UPnP specification before 2020-04-17 does not forbid the acceptance of a subscription request with a delivery URL on a different network segment than the fully qualified event-subscription URL, aka the CallStranger issue.

Frequently asked questions

What is CVE-2020-12695?: The Open Connectivity Foundation UPnP specification before 2020-04-17 does not forbid the acceptance of a subscription request with a delivery URL on a different network segment than the fully qualified event-subscription URL, aka the CallStranger issue.
How severe is CVE-2020-12695?: CVE-2020-12695 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
Is CVE-2020-12695 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12695?: CVE-2020-12695 primarily affects Ui Unifi Controller. In total, 220 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12695?: 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-2020-12695 published?: CVE-2020-12695 was published on 2020-06-08 and last updated on 2026-06-17.

References

Affected products (220)

cpe:2.3:a:ui:unifi_controller:-:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:*
cpe:2.3:h:asus:rt-n11:-:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:adsl:-:*:*:*:*:*:*:*
cpe:2.3:h:canon:selphy_cp1200:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:wap131:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:wap150:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:wap351:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dvg-n5412sp:-:*:*:*:*:*:*:*
cpe:2.3:h:dell:b1165nfw:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:ep-101:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:ew-m970a3t:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:m571t:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-100:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-2101:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-2105:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-241:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-320:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-330:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-340:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-4100:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-4105:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-440:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-620:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-630:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-702:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-8500:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-8600:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-960:-:*:*:*:*:*:*:*
cpe:2.3:h:epson:xp-970:-:*:*:*:*:*:*:*
cpe:2.3:h:hp:5020_z4a69a:-:*:*:*:*:*:*:*
cpe:2.3:h:hp:5030_m2u92b:-:*:*:*:*:*:*:*
cpe:2.3:h:hp:5030_z4a70a:-:*:*:*:*:*:*:*
cpe:2.3:h:hp:5034_z4a74a:-:*:*:*:*:*:*:*
cpe:2.3:h:hp:5660_f8b04a:-:*:*:*:*:*:*:*
cpe:2.3:h:hp:deskjet_ink_advantage_3456_a9t84c:-:*:*:*:*:*:*:*
cpe:2.3:h:hp:deskjet_ink_advantage_3545_a9t81a:-:*:*:*:*:*:*:*
cpe:2.3:h:hp:deskjet_ink_advantage_3545_a9t81c:-:*:*:*:*:*:*:*
cpe:2.3:h:hp:deskjet_ink_advantage_3545_a9t83b:-:*:*:*:*:*:*:*
cpe:2.3:h:hp:deskjet_ink_advantage_3546_a9t82a:-:*:*:*:*:*:*:*

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