How severe is CVE-2019-5260?

CVE-2019-5260 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-5260 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5260?

CVE-2019-5260 primarily affects Huawei Y9 2019 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-5260?

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

When was CVE-2019-5260 published?

CVE-2019-5260 was published on 2019-12-13 and last updated on 2026-06-17.

CVE-2019-5260

CVE-2019-5260 is a medium-severity vulnerability in Huawei Y9 2019 Firmware with a CVSS 3.x base score of 6.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.1
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Huawei Y9 2019 Firmware
Published: 2019-12-13
Last modified: 2026-06-17

Description

Huawei smartphones HUAWEI Y9 2019 and Honor View 20 have a denial of service vulnerability. Due to insufficient input validation of specific value when parsing the messages, an attacker may send specially crafted TD-SCDMA messages from a rogue base station to the affected devices to exploit this vulnerability. Successful exploit may cause an infinite loop and the device to reboot.

Frequently asked questions

What is CVE-2019-5260?: Huawei smartphones HUAWEI Y9 2019 and Honor View 20 have a denial of service vulnerability. Due to insufficient input validation of specific value when parsing the messages, an attacker may send specially crafted TD-SCDMA messages from a rogue base station to the affected devices to exploit this vulnerability. Successful exploit may cause an infinite loop and the device to reboot.
How severe is CVE-2019-5260?: CVE-2019-5260 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-5260 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5260?: CVE-2019-5260 primarily affects Huawei Y9 2019 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-5260?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-5260 published?: CVE-2019-5260 was published on 2019-12-13 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190911-01-mobile-en

Affected products (6)

cpe:2.3:o:huawei:y9_2019_firmware:8.2.0.160\(c185r2p2\):*:*:*:*:*:*:*
cpe:2.3:o:huawei:y9_2019_firmware:8.2.0.162\(c605\):*:*:*:*:*:*:*
cpe:2.3:o:huawei:y9_2019_firmware:8.2.0.163\(c605\):*:*:*:*:*:*:*
cpe:2.3:o:huawei:view_20_firmware:9.0.1.169\(c636e1r4p1\):*:*:*:*:*:*:*
cpe:2.3:o:huawei:view_20_firmware:9.0.1.170\(c185e2r3p1\):*:*:*:*:*:*:*
cpe:2.3:o:huawei:view_20_firmware:9.0.1.170\(c432e1r3p1\):*:*:*:*:*:*:*

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