How severe is CVE-2018-7943?

CVE-2018-7943 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-7943 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7943?

CVE-2018-7943 primarily affects Huawei 1288h V5 Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-7943?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-7943 published?

CVE-2018-7943 was published on 2018-06-05 and last updated on 2026-06-17.

CVE-2018-7943

CVE-2018-7943 is a high-severity vulnerability in Huawei 1288h V5 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Huawei 1288h V5 Firmware
Published: 2018-06-05
Last modified: 2026-06-17

Description

There is an authentication bypass vulnerability in some Huawei servers. A remote attacker with low privilege may bypass the authentication by some special operations. Due to insufficient authentication, an attacker may exploit the vulnerability to get some sensitive information and high-level users' privilege.

Frequently asked questions

What is CVE-2018-7943?: There is an authentication bypass vulnerability in some Huawei servers. A remote attacker with low privilege may bypass the authentication by some special operations. Due to insufficient authentication, an attacker may exploit the vulnerability to get some sensitive information and high-level users' privilege.
How severe is CVE-2018-7943?: CVE-2018-7943 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-7943 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7943?: CVE-2018-7943 primarily affects Huawei 1288h V5 Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-7943?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-7943 published?: CVE-2018-7943 was published on 2018-06-05 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180530-01-server-en

Affected products (20)

cpe:2.3:o:huawei:1288h_v5_firmware:v100r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:2288h_v5_firmware:v100r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:2488_v5_firmware:v100r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch121_v3_firmware:v100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch121l_v3_firmware:v100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch121l_v5_firmware:v100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch121_v5_firmware:v100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch140_v3_firmware:v100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch140l_v3_firmware:v100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch220_v3_firmware:v100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch222_v3_firmware:v100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch242_v3_firmware:v100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch242_v5_firmware:v100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:rh1288_v3_firmware:v100r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:rh2288_v3_firmware:v100r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:rh2288h_v3_firmware:v100r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:xh310_v3_firmware:v100r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:xh321_v3_firmware:v100r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:xh321_v5_firmware:v100r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:xh620_v3_firmware:v100r003c00:*:*:*:*:*:*:*

More vulnerabilities in Huawei 1288h V5 Firmware

CVE-2018-7951 — High (CVSS 8.8): The iBMC (Intelligent Baseboard Management Controller) of some Huawei servers have a JSON injection vulnerability due…
CVE-2018-7950 — High (CVSS 8.8): The iBMC (Intelligent Baseboard Management Controller) of some Huawei servers have a JSON injection vulnerability due…
CVE-2018-7949 — High (CVSS 8.8): The iBMC (Intelligent Baseboard Management Controller) of some Huawei servers have a privilege escalation…
CVE-2018-7904 — High (CVSS 8.8): Huawei 1288H V5 and 288H V5 with software of V100R005C00 have a JSON injection vulnerability. An authenticated, remote…
CVE-2018-7903 — High (CVSS 8.8): Huawei 1288H V5 and 288H V5 with software of V100R005C00 have a JSON injection vulnerability. An authenticated, remote…
CVE-2018-7902 — High (CVSS 8.8): Huawei 1288H V5 and 288H V5 with software of V100R005C00 have a JSON injection vulnerability. An authenticated, remote…

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