CVE-2019-5303
5.3 · MEDIUMOverview
CVE-2019-5303 is a medium-severity vulnerability affecting huawei alp-al00b_firmware. It was published on April 27, 2020 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
There are two denial of service vulnerabilities on some Huawei smartphones. An attacker may send specially crafted TD-SCDMA messages from a rogue base station to the affected devices. Due to insufficient input validation of two values when parsing the messages, successful exploit may cause device abnormal. This is 2 out of 2 vulnerabilities. Different than CVE-2020-5302. Affected products are: ALP-AL00B: earlier than 9.1.0.333(C00E333R2P1T8) ALP-L09: earlier than 9.1.0.300(C432E4R1P9T8) ALP-L29: earlier than 9.1.0.315(C636E5R1P13T8) BLA-L29C: earlier than 9.1.0.321(C636E4R1P14T8), earlier than 9.1.0.330(C432E6R1P12T8), earlier than 9.1.0.302(C635E4R1P13T8) Berkeley-AL20: earlier than 9.1.0.333(C00E333R2P1T8) Berkeley-L09: earlier than 9.1.0.350(C10E3R1P14T8), earlier than 9.1.0.351(C432E5R1P13T8), earlier than 9.1.0.350(C636E4R1P13T8) Charlotte-L09C: earlier than 9.1.0.311(C185E4R1P11T8), earlier than 9.1.0.345(C432E8R1P11T8) Charlotte-L29C: earlier than 9.1.0.325(C185E4R1P11T8), earli
Remediation
Check the references section for vendor advisories and patches from huawei. Update alp-al00b_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| huawei | alp-al00b_firmware | >= 0, < 9.1.0.333\(c00e333r2p1t8\) | Affected |
| huawei | alp-l09_firmware | >= 0, < 9.1.0.300\(c432e4r1p9t8\) | Affected |
| huawei | alp-l29_firmware | >= 0, < 9.1.0.315\(c636e5r1p13t8\) | Affected |
| huawei | bla-l29c_firmware | >= 0, < 9.1.0.321\(c636e4r1p14t8\) | Affected |
| huawei | berkeley-al20_firmware | >= 0, < 9.1.0.333\(c00e333r2p1t8\) | Affected |
| huawei | berkeley-l09_firmware | >= 0, < 9.1.0.350\(c10e3r1p14t8\) | Affected |
| huawei | charlotte-l09c_firmware | >= 0, < 9.1.0.311\(c185e4r1p11t8\) | Affected |
| huawei | charlotte-l29c_firmware | >= 0, < 9.1.0.325\(c185e4r1p11t8\) | Affected |
| huawei | columbia-al10b_firmware | >= 0, < 9.1.0.333\(c00e333r1p1t8\) | Affected |
| huawei | columbia-l29d_firmware | >= 0, < 9.1.0.350\(c461e3r1p11t8\) | Affected |
Frequently Asked Questions
What is CVE-2019-5303?
CVE-2019-5303 is a medium-severity vulnerability affecting huawei alp-al00b_firmware. It was published on April 27, 2020 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2019-5303?
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2019-5303?
Check the references section for vendor advisories and patches from huawei. Update alp-al00b_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-5303?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-5303 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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