CVE-2020-1856
No known exploitation. EPSS puts it in the 53rd percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
Huawei NGFW Module, NIP6300, NIP6600, Secospace USG6500, Secospace USG6600, and USG9500 versions V500R001C30, V500R001C60, and V500R005C00 have an information leakage vulnerability. An attacker can exploit this vulnerability by sending specific request packets to affected devices. Successful exploit may lead to information leakage.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.8% chance of exploitation activity in the next 30 days, which ranks it in the 53rd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 1739 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified
Affected products
- ngfw module firmwareHardware Firmware / network-adapter
- nip6300 firmwareICS / OT / IoT / ip-camera-nvr
- nip6600 firmwareICS / OT / IoT / smart-home
- secospace usg6500 firmwareNetworking Infrastructure / firewall
- secospace usg6600 firmwareNetworking Infrastructure / firewall
- usg9500 firmwareNetworking Infrastructure / firewall
- NGFW Module, NIP6300, NIP6600, Secospace USG6500, Secospace USG6600, USG9500Networking Infrastructure / firewall
- Huawei NGFW ModuleNetworking Infrastructure / firewall
- Huawei NIP6300Networking Infrastructure / firewall
- Huawei NIP6600Networking Infrastructure / firewall
- Huawei Secospace USG6500Networking Infrastructure / firewall
- Huawei Secospace USG6600Networking Infrastructure / firewall
- USG9500Networking Infrastructure / firewall
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Scored 7.5 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
Sources
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