How severe is CVE-2018-9511?

CVE-2018-9511 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-9511 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-9511?

CVE-2018-9511 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-9511?

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

When was CVE-2018-9511 published?

CVE-2018-9511 was published on 2018-10-02 and last updated on 2026-06-17.

CVE-2018-9511

CVE-2018-9511 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 5.5. 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-909.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.9
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-909
Affected product: Google Android
Published: 2018-10-02
Last modified: 2026-06-17

Description

In ipSecSetEncapSocketOwner of XfrmController.cpp, there is a possible failure to initialize a security feature due to uninitialized data. This could lead to local denial of service of IPsec on sockets with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-9.0 Android ID: A-111650288

Frequently asked questions

What is CVE-2018-9511?: In ipSecSetEncapSocketOwner of XfrmController.cpp, there is a possible failure to initialize a security feature due to uninitialized data. This could lead to local denial of service of IPsec on sockets with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-9.0 Android ID: A-111650288
How severe is CVE-2018-9511?: CVE-2018-9511 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-9511 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-9511?: CVE-2018-9511 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-9511?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-9511 published?: CVE-2018-9511 was published on 2018-10-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*

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