CVE-2020-1829

mediumpriority · track · 30EPSS 0.007 · 55 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.74% (55th) EPSS

CVSS 5 · medium

Is it mine?

19 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

Huawei NIP6800 versions V500R001C30 and V500R001C60SPC500; and Secospace USG6600 and USG9500 versions V500R001C30SPC200, V500R001C30SPC600, and V500R001C60SPC500 have a vulnerability that the IPSec module handles a message improperly. Attackers can send specific message to cause double free memory. This may compromise normal service.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/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-415USprimaryCWE-415US

affected products (19)

Products and version ranges known to be affected.

Huawei NIP6800≤ V500R001C60SPC500enisa_euvdEU
Huawei NIP6800≤ V500R001C30enisa_euvdEU
Huawei Secospace USG6600≤ V500R001C60SPC500enisa_euvdEU
Huawei Secospace USG6600≤ V500R001C30SPC200enisa_euvdEU
Huawei Secospace USG6600≤ V500R001C30SPC600enisa_euvdEU
Huawei USG9500≤ V500R001C60SPC500enisa_euvdEU
Huawei USG9500≤ V500R001C30SPC600enisa_euvdEU
Huawei USG9500≤ V500R001C30SPC200enisa_euvdEU
Huawei Technologies Co., Ltd. Huawei NIP6800≤ V500R001C30fstec_bduRU
Huawei Technologies Co., Ltd. Huawei Secospace USG6600≤ V500R001C60SPC500fstec_bduRU
Huawei Technologies Co., Ltd. USG9500≤ V500R005C00SPC100fstec_bduRU
huawei nip6800 firmware= v500r001c30nvdUScpe:2.3:o:huawei:nip6800_firmware:*:*:*:*:*:*:*:*
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 (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-02-17modified 2026-06-17

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+1205 more

references (5)

External citations — patches, advisories, analysis.

scry

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