CVE-2021-41011

CVE-2021-41011 is a high-severity vulnerability in Linecorp Line with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

LINE client for iOS before 11.15.0 might expose authentication information for a certain service to external entities under certain conditions. This is usually impossible, but in combination with a server-side bug, attackers could get this information.

Frequently asked questions

What is CVE-2021-41011?
LINE client for iOS before 11.15.0 might expose authentication information for a certain service to external entities under certain conditions. This is usually impossible, but in combination with a server-side bug, attackers could get this information.
How severe is CVE-2021-41011?
CVE-2021-41011 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-41011 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41011?
CVE-2021-41011 affects Linecorp Line. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41011?
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-2021-41011 published?
CVE-2021-41011 was published on 2021-09-22 and last updated on 2026-06-17.

References

Affected products (1)

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