How severe is CVE-2020-1839?

CVE-2020-1839 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-1839 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1839?

CVE-2020-1839 affects Huawei Mate 30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1839?

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

When was CVE-2020-1839 published?

CVE-2020-1839 was published on 2020-07-06 and last updated on 2026-06-17.

CVE-2020-1839

CVE-2020-1839 is a medium-severity vulnerability in Huawei Mate 30 Firmware with a CVSS 3.x base score of 6.3. 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-362.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 3.7
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Huawei Mate 30 Firmware
Published: 2020-07-06
Last modified: 2026-06-17

Description

HUAWEI Mate 30 with versions earlier than 10.1.0.150(C00E136R5P3) have a race condition vulnerability. There is a timing window exists in which certain pointer members can be modified by another process that is operating concurrently, an attacker should trick the user into running a crafted application with high privilege, successful exploit could cause code execution.

Frequently asked questions

What is CVE-2020-1839?: HUAWEI Mate 30 with versions earlier than 10.1.0.150(C00E136R5P3) have a race condition vulnerability. There is a timing window exists in which certain pointer members can be modified by another process that is operating concurrently, an attacker should trick the user into running a crafted application with high privilege, successful exploit could cause code execution.
How severe is CVE-2020-1839?: CVE-2020-1839 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-1839 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1839?: CVE-2020-1839 affects Huawei Mate 30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1839?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1839 published?: CVE-2020-1839 was published on 2020-07-06 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200701-04-smartphone-en

Affected products (1)

cpe:2.3:o:huawei:mate_30_firmware:*:*:*:*:*:*:*:*

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Other CWE-362 (Race Condition) vulnerabilities

CVE-2022-27626 — Critical (CVSS 10.0): A vulnerability regarding concurrent execution using shared resource with improper synchronization ('Race Condition')…
CVE-2015-8556 — Critical (CVSS 10.0): Local privilege escalation vulnerability in the Gentoo QEMU package before 2.5.0-r1.
CVE-2014-0703 — Critical (CVSS 10.0): Cisco Wireless LAN Controller (WLC) devices 7.4 before 7.4.110.0 distribute Aironet IOS software with a race condition…
CVE-2010-1228 — Critical (CVSS 10.0): Multiple race conditions in the sandbox infrastructure in Google Chrome before 4.1.249.1036 have unspecified impact and…
CVE-2008-6598 — Critical (CVSS 10.0): Multiple race conditions in WANPIPE before 3.3.6 have unknown impact and attack vectors related to "bri restart logic."
CVE-2026-46137 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADD_ADDR rtx: fix potential…

Browse all CWE-362 (Race Condition) vulnerabilities →