How severe is CVE-2023-22473?

CVE-2023-22473 has a CVSS 3.x base score of 2.1, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-22473 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22473?

CVE-2023-22473 affects Nextcloud Talk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22473?

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

When was CVE-2023-22473 published?

CVE-2023-22473 was published on 2023-01-09 and last updated on 2026-06-17.

CVE-2023-22473

CVE-2023-22473 is a low-severity vulnerability in Nextcloud Talk with a CVSS 3.x base score of 2.1. 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-284.

Key facts

Severity: Low (CVSS 3.x base score 2.1)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Nextcloud Talk
Published: 2023-01-09
Last modified: 2026-06-17

Description

Talk-Android enables users to have video & audio calls through Nextcloud on Android. Due to passcode bypass, an attacker is able to access the user's Nextcloud files and view conversations. To exploit this the attacker needs to have physical access to the target's device. There are currently no known workarounds available. It is recommended that the Nextcloud Talk Android app is upgraded to 15.0.2.

Frequently asked questions

What is CVE-2023-22473?: Talk-Android enables users to have video & audio calls through Nextcloud on Android. Due to passcode bypass, an attacker is able to access the user's Nextcloud files and view conversations. To exploit this the attacker needs to have physical access to the target's device. There are currently no known workarounds available. It is recommended that the Nextcloud Talk Android app is upgraded to 15.0.2.
How severe is CVE-2023-22473?: CVE-2023-22473 has a CVSS 3.x base score of 2.1, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-22473 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22473?: CVE-2023-22473 affects Nextcloud Talk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22473?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-22473 published?: CVE-2023-22473 was published on 2023-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nextcloud:talk:*:*:*:*:*:android:*:*

More vulnerabilities in Nextcloud Talk

CVE-2020-8180 — Critical (CVSS 9.9): A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk…
CVE-2021-32689 — High (CVSS 8.1): Nextcloud Talk is a fully on-premises audio/video and chat communication service. In versions prior to 11.2.2, if a…
CVE-2023-39957 — High (CVSS 7.8): Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android. Prior to version…
CVE-2021-32676 — Medium (CVSS 6.5): Nextcloud Talk is a fully on-premises audio/video and chat communication service. Password protected shared chats in…
CVE-2021-39222 — Medium (CVSS 6.4): Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Talk application was vulnerable to a…
CVE-2018-3781 — Medium (CVSS 5.4): A missing sanitization of search results for an autocomplete field in NextCloud Talk <3.2.5 could lead to a stored XSS…

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