CVE-2018-20787
CVE-2018-20787 is a medium-severity vulnerability in Micode Xiaomi Perseus-p-oss 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-190.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 7.1
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-190
- Affected product: Micode Xiaomi Perseus-p-oss
- Published:
- Last modified:
Description
The ft5x46 touchscreen driver for custom Linux kernels on the Xiaomi perseus-p-oss MIX 3 device through 2018-11-26 has an integer overflow and OOPS because of missing checks of the size argument in tpdbg_write in drivers/input/touchscreen/ft5x46/ft5x46_ts.c. This is exploitable for a device crash via a syscall by a crafted application on a rooted device.
Frequently asked questions
- What is CVE-2018-20787?
- The ft5x46 touchscreen driver for custom Linux kernels on the Xiaomi perseus-p-oss MIX 3 device through 2018-11-26 has an integer overflow and OOPS because of missing checks of the size argument in tpdbg_write in drivers/input/touchscreen/ft5x46/ft5x46_ts.c. This is exploitable for a device crash via a syscall by a crafted application on a rooted device.
- How severe is CVE-2018-20787?
- CVE-2018-20787 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2018-20787 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20787?
- CVE-2018-20787 affects Micode Xiaomi Perseus-p-oss. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-20787?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-20787 published?
- CVE-2018-20787 was published on 2019-02-25 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:micode:xiaomi_perseus-p-oss:*:*:*:*:*:*:*:*
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