CVE-2020-9247
CVE-2020-9247 is a high-severity vulnerability in Huawei Honor 20 Pro Firmware with a CVSS 3.x base score of 7.8. 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-120.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-120
- Affected product: Huawei Honor 20 Pro Firmware
- Published:
- Last modified:
Description
There is a buffer overflow vulnerability in several Huawei products. The system does not sufficiently validate certain configuration parameter which is passed from user that would cause buffer overflow. The attacker should trick the user into installing and running a malicious application with a high privilege, successful exploit may cause code execution. Affected product include Huawei HONOR 20 PRO, Mate 20, Mate 20 Pro, Mate 20 X, P30, P30 Pro, Hima-L29C, Laya-AL00EP, Princeton-AL10B, Tony-AL00B, Yale-L61A, Yale-TL00B and YaleP-AL10B.
Frequently asked questions
- What is CVE-2020-9247?
- There is a buffer overflow vulnerability in several Huawei products. The system does not sufficiently validate certain configuration parameter which is passed from user that would cause buffer overflow. The attacker should trick the user into installing and running a malicious application with a high privilege, successful exploit may cause code execution. Affected product include Huawei HONOR 20 PRO, Mate 20, Mate 20 Pro, Mate 20 X, P30, P30 Pro, Hima-L29C, Laya-AL00EP, Princeton-AL10B, Tony-AL00B, Yale-L61A, Yale-TL00B and YaleP-AL10B.
- How severe is CVE-2020-9247?
- CVE-2020-9247 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-9247 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-2020-9247?
- CVE-2020-9247 primarily affects Huawei Honor 20 Pro Firmware. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-9247?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-9247 published?
- CVE-2020-9247 was published on 2020-12-07 and last updated on 2026-06-17.
References
Affected products (14)
- cpe:2.3:o:huawei:honor_20_pro_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:mate_20_pro_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:mate_20_x_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:p30_firmware:9.1.0.272\(c635e4r2p2\):*:*:*:*:*:*:*
- cpe:2.3:o:huawei:p30_pro_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:hima-l29c_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:laya-al00ep_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:princeton-al10b_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:tony-al00b_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:yale-l61a_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:yale-tl00b_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:yalep-al10b_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:p30_firmware:*:*:*:*:*:*:*:*
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