CVE-2020-1883

mediumpriority · track · 20EPSS 0.008 · 56 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.80% (56th) EPSS

CVSS 4 · medium

Is it mine?

14 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Huawei products NIP6800;Secospace USG6600;USG9500 have a memory leak vulnerability. An attacker with high privileges exploits this vulnerability by continuously performing specific operations. Successful exploitation of this vulnerability can cause service abnormal.

cvss

Technical severity, 0–10. One row per scoring source.

4.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 3.6

v3.14.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-401USprimary

affected products (14)

Products and version ranges known to be affected.

n/a NIP6800≤ V500R001C60SPC500enisa_euvdEU
n/a Secospace USG6600≤ V500R001C30SPC600enisa_euvdEU
n/a Secospace USG6600≤ V500R001C30SPC200enisa_euvdEU
n/a Secospace USG6600≤ V500R001C60SPC500enisa_euvdEU
n/a USG9500≤ V500R001C30SPC200enisa_euvdEU
n/a USG9500≤ V500R001C30SPC600enisa_euvdEU
n/a USG9500≤ V500R001C60SPC500enisa_euvdEU
huawei nip6800 firmware= v500r001c60spc500nvdUScpe:2.3:o:huawei:nip6800_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c30spc200nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c30spc600nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c60spc500nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*
huawei usg9500 firmware= v500r001c30spc200nvdUScpe:2.3:o:huawei:usg9500_firmware:*:*:*:*:*:*:*:*
huawei usg9500 firmware= v500r001c30spc600nvdUScpe:2.3:o:huawei:usg9500_firmware:*:*:*:*:*:*:*:*
huawei usg9500 firmware= v500r001c60spc500nvdUScpe:2.3:o:huawei:usg9500_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-06-05modified 2026-06-17

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+3014 more

references (5)

External citations — patches, advisories, analysis.

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