How severe is CVE-2019-5308?

CVE-2019-5308 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2019-5308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5308?

CVE-2019-5308 affects Huawei Mate 20 Rs Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-5308?

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

When was CVE-2019-5308 published?

CVE-2019-5308 was published on 2019-11-29 and last updated on 2026-06-17.

CVE-2019-5308

CVE-2019-5308 is a low-severity vulnerability in Huawei Mate 20 Rs Firmware with a CVSS 3.x base score of 2.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 3.x base score 2.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Huawei Mate 20 Rs Firmware
Published: 2019-11-29
Last modified: 2026-06-17

Description

Mate 20 RS smartphones with versions earlier than 9.1.0.135(C786E133R3P1) have an improper authorization vulnerability. The software does not properly restrict certain operation in ADB mode, successful exploit could allow the attacker to switch to third desktop after a series of operation.

Frequently asked questions

What is CVE-2019-5308?: Mate 20 RS smartphones with versions earlier than 9.1.0.135(C786E133R3P1) have an improper authorization vulnerability. The software does not properly restrict certain operation in ADB mode, successful exploit could allow the attacker to switch to third desktop after a series of operation.
How severe is CVE-2019-5308?: CVE-2019-5308 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2019-5308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5308?: CVE-2019-5308 affects Huawei Mate 20 Rs Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-5308?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-5308 published?: CVE-2019-5308 was published on 2019-11-29 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191127-01-smartphone-en

Affected products (1)

cpe:2.3:o:huawei:mate_20_rs_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Huawei Mate 20 Rs Firmware

CVE-2020-9244 — Medium (CVSS 6.8): HUAWEI Mate 20 versions Versions earlier than 10.1.0.160(C00E160R3P8);HUAWEI Mate 20 Pro versions Versions earlier than…
CVE-2019-5303 — Medium (CVSS 5.3): There are two denial of service vulnerabilities on some Huawei smartphones. An attacker may send specially crafted…
CVE-2019-5302 — Medium (CVSS 5.3): There are two denial of service vulnerabilities on some Huawei smartphones. An attacker may send specially crafted…
CVE-2020-1882 — Medium (CVSS 4.6): Huawei mobile phones Ever-L29B versions earlier than 10.0.0.180(C185E6R3P3), earlier than 10.0.0.180(C432E6R1P7),…
CVE-2020-9252 — Low (CVSS 2.3): HUAWEI Mate 20 versions earlier than 10.1.0.160(C00E160R3P8), HUAWEI Mate 20 X versions earlier than…

All CVEs affecting Huawei Mate 20 Rs Firmware →