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CVE-2020-9075

21
FAUCET Score

CVE-2020-9075 describes an insufficient input verification vulnerability in specific versions of Huawei Secospace USG6300, USG6300E, and USG6600 series firewalls. An attacker with limited privileges can exploit this flaw to gain unauthorized access to a particular directory, potentially leading to information leakage. Rated as Medium severity with a CVSS score of 6.5, the vulnerability has a low attack complexity and does not require user interaction. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
v500r005c00CPE matchmatch criteria
cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r005c00:*:*:*:*:*:*:*
v500r005c10CPE matchmatch criteria
cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r005c10:*:*:*:*:*:*:*
v500r001c30CPE matchmatch criteria
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c30:*:*:*:*:*:*:*
v500r001c50CPE matchmatch criteria
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c50:*:*:*:*:*:*:*
v500r001c60CPE matchmatch criteria
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c60:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0061 is in the 56th percentile among its peer group of 21,977 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

huawei.com / en/psirt/security-advisories/huawei-sa-20200610-02-validation-en
Vendor Advisory