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CVE-2020-1818

There are multiple out of bounds (OOB) read vulnerabilities in the implementation of the Common Open Policy Service (COPS) protocol of some Huawei products. The specific decoding function may occur out-of-bounds read when processes an incoming data packet. Successful exploit of these vulnerabilities may disrupt service on the affected device. (Vulnerability ID: HWPSIRT-2018-12275,HWPSIRT-2018-12276,HWPSIRT-2018-12277,HWPSIRT-2018-12278,HWPSIRT-2018-12279,HWPSIRT-2018-12280 and HWPSIRT-2018-12289) The seven vulnerabilities have been assigned seven Common Vulnerabilities and Exposures (CVE) IDs: CVE-2020-1818, CVE-2020-1819, CVE-2020-1820, CVE-2020-1821, CVE-2020-1822, CVE-2020-1823 and CVE-2020-1824.
3.7
CVSS
2.9
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityHigh
RequirementsPresent
PrivilegesNone
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityLow
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusUnavailable

Change Log
DateSourceChangesScore
2026-07-17PoCE: U→P1.7 → 2.9
2026-07-15cve.orginitial1.7
References: CVE.org · NVD · PoC

Affected Software
VendorProductVersion
HuaweiIPS ModuleV500R001C30
HuaweiIPS ModuleV500R001C60
HuaweiIPS ModuleV500R005C00
huaweiips_module_firmwarev500r001c30
huaweiips_module_firmwarev500r001c60
huaweiips_module_firmwarev500r005c00
HuaweiNGFW ModuleV500R002C00
HuaweiNGFW ModuleV500R002C20
HuaweiNGFW ModuleV500R005C00
huaweingfw_module_firmwarev500r002c00
huaweingfw_module_firmwarev500r002c20
huaweingfw_module_firmwarev500r005c00
HuaweiNIP6300V500R001C30
HuaweiNIP6300V500R001C60
HuaweiNIP6300V500R005C00
huaweinip6300_firmwarev500r001c30
huaweinip6300_firmwarev500r001c60
huaweinip6300_firmwarev500r005c00
HuaweiNIP6600V500R001C30
HuaweiNIP6600V500R001C60
HuaweiNIP6600V500R005C00
huaweinip6600_firmwarev500r001c30
huaweinip6600_firmwarev500r001c60
huaweinip6600_firmwarev500r005c00
HuaweiNIP6800V500R001C60
HuaweiNIP6800V500R005C00
huaweinip6800_firmwarev500r001c60
huaweinip6800_firmwarev500r005c00
HuaweiSecospace USG6300V500R001C30
HuaweiSecospace USG6300V500R001C60
HuaweiSecospace USG6300V500R005C00
HuaweiSecospace USG6500V500R001C30
HuaweiSecospace USG6500V500R001C60
HuaweiSecospace USG6500V500R005C00
HuaweiSecospace USG6600V500R001C30
HuaweiSecospace USG6600V500R005C00
huaweisecospace_usg6300_firmwarev500r001c30
huaweisecospace_usg6300_firmwarev500r001c60
huaweisecospace_usg6300_firmwarev500r005c00
huaweisecospace_usg6500_firmwarev500r001c30
huaweisecospace_usg6500_firmwarev500r001c60
huaweisecospace_usg6500_firmwarev500r005c00
huaweisecospace_usg6600_firmwarev500r001c30
huaweisecospace_usg6600_firmwarev500r005c00
HuaweiUSG6000VV500R003C00
huaweiusg6000v_firmwarev500r003c00
Published: 2024-12-27