How severe is CVE-2019-15610?

CVE-2019-15610 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-15610 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15610?

CVE-2019-15610 affects Nextcloud Circles. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15610?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-15610 published?

CVE-2019-15610 was published on 2020-02-04 and last updated on 2026-06-17.

CVE-2019-15610

CVE-2019-15610 is a medium-severity vulnerability in Nextcloud Circles with a CVSS 3.x base score of 4.3. 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-285.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Nextcloud Circles
Published: 2020-02-04
Last modified: 2026-06-17

Description

Improper authorization in the Circles app 0.17.7 causes retaining access when an email address was removed from a circle.

Frequently asked questions

What is CVE-2019-15610?: Improper authorization in the Circles app 0.17.7 causes retaining access when an email address was removed from a circle.
How severe is CVE-2019-15610?: CVE-2019-15610 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-15610 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15610?: CVE-2019-15610 affects Nextcloud Circles. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15610?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15610 published?: CVE-2019-15610 was published on 2020-02-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:*

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