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CVE-2020-1856

Huawei NGFW Module, NIP6300, NIP6600, Secospace USG6500, Secospace USG6600, and USG9500 versions V500R001C30, V500R001C60, and V500R005C00…

High7.5EPSS 0.76%
Published
Updated
Reserved
Assigned by
huawei

Description

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.

Timeline

  1. ID reserved

    By huawei

  2. · 3 months later

    Published

  3. · 4 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2020-1856, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
0.76% · top 44% of all CVEs (7 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

  • Information leakage

Affected products

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .