How severe is CVE-2017-17320?

CVE-2017-17320 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-2017-17320 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17320?

CVE-2017-17320 primarily affects Huawei Mate 9 Pro Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-17320?

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-2017-17320 published?

CVE-2017-17320 was published on 2018-03-20 and last updated on 2026-06-17.

CVE-2017-17320

CVE-2017-17320 is a high-severity vulnerability in Huawei Mate 9 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-415.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 9.3
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-415
Affected product: Huawei Mate 9 Pro Firmware
Published: 2018-03-20
Last modified: 2026-06-17

Description

Huawei Mate 9 Pro smartphones with software of LON-AL00BC00B139D, LON-AL00BC00B229, LON-L29DC721B188 have a memory double free vulnerability. The system does not manage the memory properly, that frees on the same memory address twice. An attacker tricks the user who has root privilege to install a crafted application, successful exploit could result in malicious code execution.

Frequently asked questions

What is CVE-2017-17320?: Huawei Mate 9 Pro smartphones with software of LON-AL00BC00B139D, LON-AL00BC00B229, LON-L29DC721B188 have a memory double free vulnerability. The system does not manage the memory properly, that frees on the same memory address twice. An attacker tricks the user who has root privilege to install a crafted application, successful exploit could result in malicious code execution.
How severe is CVE-2017-17320?: CVE-2017-17320 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-2017-17320 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17320?: CVE-2017-17320 primarily affects Huawei Mate 9 Pro Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-17320?: 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-2017-17320 published?: CVE-2017-17320 was published on 2018-03-20 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180314-02-smartphone-en

Affected products (3)

cpe:2.3:o:huawei:mate_9_pro_firmware:lon-al00bc00b139d:*:*:*:*:*:*:*
cpe:2.3:o:huawei:mate_9_pro_firmware:lon-al00bc00b229:*:*:*:*:*:*:*
cpe:2.3:o:huawei:mate_9_pro_firmware:lon-l29dc721b188:*:*:*:*:*:*:*

More vulnerabilities in Huawei Mate 9 Pro Firmware

CVE-2017-17225 — High (CVSS 8.8): The Near Field Communication (NFC) module in Huawei Mate 9 Pro mobile phones with the versions before LON-AL00B…
CVE-2017-15311 — High (CVSS 8.8): The baseband modules of Mate 10, Mate 10 Pro, Mate 9, Mate 9 Pro Huawei smart phones with software before ALP-AL00…
CVE-2017-17324 — High (CVSS 7.8): Huawei Mate 9 Pro smartphones with software LON-AL00BC00B139D; LON-AL00BC00B229 have an integer overflow vulnerability.…
CVE-2017-15316 — High (CVSS 7.8): The GPU driver of Mate 9 Huawei smart phones with software before MHA-AL00B 8.0.0.334(C00) and Mate 9 Pro Huawei smart…
CVE-2017-8142 — High (CVSS 7.8): The Trusted Execution Environment (TEE) module driver of Mate 9 and Mate 9 Pro smart phones with software versions…
CVE-2017-17176 — Medium (CVSS 6.7): The hardware security module of Mate 9 and Mate 9 Pro Huawei smart phones with the versions earlier before…

All CVEs affecting Huawei Mate 9 Pro Firmware →

Other CWE-415 (Double Free) vulnerabilities

CVE-2018-0101 — Critical (CVSS 10.0): A vulnerability in the Secure Sockets Layer (SSL) VPN functionality of the Cisco Adaptive Security Appliance (ASA)…
CVE-2026-8925 — Critical (CVSS 9.8): The curl logic that works with SASL authentication could end up cleaning up the GSASL context *twice* without clearing…
CVE-2020-37239 — Critical (CVSS 9.8): libbabl 0.1.62 contains a broken double free detection vulnerability that allows attackers to bypass memory safety…
CVE-2026-43011 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix potential double free of skb When…
CVE-2026-31609 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in…
CVE-2026-31608 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in…

Browse all CWE-415 (Double Free) vulnerabilities →