high
7.5
Advisory Published
Updated

CVE-2019-19397

First published: Fri Dec 13 2019(Updated: )

There is a weak algorithm vulnerability in some Huawei products. The affected products use weak algorithms by default. Attackers may exploit the vulnerability to cause information leaks.

Credit: psirt@huawei.com

Affected SoftwareAffected VersionHow to fix
Huawei S12700 Firmware=v200r007c00
Huawei S12700 Firmware=v200r007c01
Huawei S12700 Firmware=v200r007c20
Huawei S12700 Firmware=v200r008c00
Huawei S12700 Firmware=v200r010c00
Huawei S12700 Firmware=v200r011c10
Huawei S12700 Firmware=v200r012c00
Huawei S12700 Firmware
Huawei S1700 Firmware=v200r006c10
Huawei S1700 Firmware=v200r010c00
Huawei S1700 Firmware=v200r011c10
Huawei S1700 Firmware=v200r012c00
Huawei S1700 Firmware=v200r012c20
Huawei S1700 Firmware
Huawei S2700 Firmware=v200r006c00
Huawei S2700 Firmware=v200r006c10
Huawei S2700 Firmware=v200r007c00
Huawei S2700 Firmware=v200r008c00
Huawei S2700 Firmware=v200r010c00
Huawei S2700 Firmware=v200r011c00
Huawei S2700 Firmware=v200r011c10
Huawei S2700 Firmware=v200r012c00
Huawei S2700
Huawei Campus S5700 firmware=v200r005c00
Huawei Campus S5700 firmware=v200r005c02
Huawei Campus S5700 firmware=v200r005c03
Huawei Campus S5700 firmware=v200r006c00
Huawei Campus S5700 firmware=v200r007c00
Huawei Campus S5700 firmware=v200r008c00
Huawei Campus S5700 firmware=v200r010c00
Huawei Campus S5700 firmware=v200r011c00
Huawei Campus S5700 firmware=v200r011c10
Huawei Campus S5700 firmware=v200r012c00
Huawei Campus S5700 firmware=v200r012c20
Huawei S5700 Firmware
Huawei 6700EI firmware=v200r005c00
Huawei 6700EI firmware=v200r005c01
Huawei 6700EI firmware=v200r005c02
Huawei 6700EI firmware=v200r008c00
Huawei 6700EI firmware=v200r010c00
Huawei 6700EI firmware=v200r011c00
Huawei 6700EI firmware=v200r011c10
Huawei 6700EI firmware=v200r012c00
Huawei S6700 Firmware
Huawei Campus S7700 firmware=v200r006c00
Huawei Campus S7700 firmware=v200r007c00
Huawei Campus S7700 firmware=v200r008c00
Huawei Campus S7700 firmware=v200r010c00
Huawei Campus S7700 firmware=v200r011c10
Huawei Campus S7700 firmware=v200r012c00
Huawei Campus S7700
Huawei LSW S9700 firmware=v200r006c00
Huawei LSW S9700 firmware=v200r007c00
Huawei LSW S9700 firmware=v200r007c01
Huawei LSW S9700 firmware=v200r008c00
Huawei LSW S9700 firmware=v200r010c00
Huawei LSW S9700 firmware=v200r011c10
Huawei LSW S9700 firmware=v200r012c00
Huawei 9700 Firmware

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-19397?

    CVE-2019-19397 has been classified with a moderate severity level due to its potential for information leaks.

  • How do I fix CVE-2019-19397?

    To fix CVE-2019-19397, upgrade to the latest firmware version that no longer uses weak algorithms by default.

  • What products are affected by CVE-2019-19397?

    CVE-2019-19397 affects several Huawei products including S12700, S1700, S2700, S5700, S6700, S7700, and S9700 firmware versions.

  • What types of attacks can exploit CVE-2019-19397?

    Attackers can exploit CVE-2019-19397 to carry out information leakage attacks due to the use of weak algorithms.

  • Is there a workaround for CVE-2019-19397?

    There are no specific workarounds for CVE-2019-19397; the recommended solution is to apply the firmware updates provided by Huawei.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203