How severe is CVE-2023-27108?

CVE-2023-27108 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-27108 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-2023-27108?

CVE-2023-27108 affects Kaiostech Kaios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27108?

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

When was CVE-2023-27108 published?

CVE-2023-27108 was published on 2023-05-01 and last updated on 2026-06-17.

CVE-2023-27108

CVE-2023-27108 is a medium-severity vulnerability in Kaiostech Kaios with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Kaiostech Kaios
Published: 2023-05-01
Last modified: 2026-06-17

Description

An issue was discovered in KaiOS 3.0. The pre-installed Communications application exposes a Web Activity that returns the user's call log without origin or permission checks. An attacker can inject a JavaScript payload that runs in a browser or app without user interaction or consent. This allows an attacker to send the user's call logs to a remote server via XMLHttpRequest or Fetch.

Frequently asked questions

What is CVE-2023-27108?: An issue was discovered in KaiOS 3.0. The pre-installed Communications application exposes a Web Activity that returns the user's call log without origin or permission checks. An attacker can inject a JavaScript payload that runs in a browser or app without user interaction or consent. This allows an attacker to send the user's call logs to a remote server via XMLHttpRequest or Fetch.
How severe is CVE-2023-27108?: CVE-2023-27108 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-27108 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-2023-27108?: CVE-2023-27108 affects Kaiostech Kaios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27108?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27108 published?: CVE-2023-27108 was published on 2023-05-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:kaiostech:kaios:3.0:*:*:*:*:*:*:*

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