CVE-2024-34446
CVE-2024-34446 is a high-severity vulnerability 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. The underlying weakness is classified as CWE-923.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-34806
- Weakness: CWE-923
- Published:
- Last modified:
Description
Mullvad VPN through 2024.1 on Android does not set a DNS server in the blocking state (after a hard failure to create a tunnel), and thus DNS traffic can leave the device. Data showing that the affected device was the origin of sensitive DNS requests may be observed and logged by operators of unintended DNS servers.
Frequently asked questions
- What is CVE-2024-34446?
- Mullvad VPN through 2024.1 on Android does not set a DNS server in the blocking state (after a hard failure to create a tunnel), and thus DNS traffic can leave the device. Data showing that the affected device was the origin of sensitive DNS requests may be observed and logged by operators of unintended DNS servers.
- How severe is CVE-2024-34446?
- CVE-2024-34446 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-2024-34446 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-34446?
- 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.
- Does CVE-2024-34446 have an EU (EUVD) identifier?
- Yes. CVE-2024-34446 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34806.
- When was CVE-2024-34446 published?
- CVE-2024-34446 was published on 2024-05-03 and last updated on 2026-06-17.
References
- https://github.com/mullvad/mullvadvpn-app/blob/main/CHANGELOG.md
- https://github.com/mullvad/mullvadvpn-app/commit/0c39306a40f426853d617e20d596942e41091f13
- https://github.com/mullvad/mullvadvpn-app/tags
- https://mullvad.net/en/blog/dns-traffic-can-leak-outside-the-vpn-tunnel-on-android
- https://news.ycombinator.com/item?id=40247604
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