How severe is CVE-2018-7941?

CVE-2018-7941 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-2018-7941 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7941?

CVE-2018-7941 primarily affects Huawei Ch121 V3 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-2018-7941?

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-2018-7941 published?

CVE-2018-7941 was published on 2018-05-10 and last updated on 2026-06-17.

CVE-2018-7941

CVE-2018-7941 is a high-severity vulnerability in Huawei Ch121 V3 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% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Huawei Ch121 V3 Firmware
Published: 2018-05-10
Last modified: 2026-06-17

Description

Huawei iBMC V200R002C60 have an authentication bypass vulnerability. A remote attacker with low privilege may craft specific messages to upload authentication certificate to the affected products. Due to improper validation of the upload authority, successful exploit may cause privilege elevation.

Frequently asked questions

What is CVE-2018-7941?: Huawei iBMC V200R002C60 have an authentication bypass vulnerability. A remote attacker with low privilege may craft specific messages to upload authentication certificate to the affected products. Due to improper validation of the upload authority, successful exploit may cause privilege elevation.
How severe is CVE-2018-7941?: CVE-2018-7941 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-2018-7941 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7941?: CVE-2018-7941 primarily affects Huawei Ch121 V3 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-2018-7941?: 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-2018-7941 published?: CVE-2018-7941 was published on 2018-05-10 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180509-01-bypass-en

Affected products (20)

cpe:2.3:o:huawei:ch121_v3_firmware:100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch121l_v3_firmware:100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch140_v3_firmware:100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch140l_v3_firmware:100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch220_v3_firmware:100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch222_v3_firmware:100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch242_v3_firmware:100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:rh1288_v3_firmware:100r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:rh2288_v3_firmware:100r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:rh2288h_v3_firmware:100r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:xh310_v3_firmware:100r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:xh321_v3_firmware:100r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:xh620_v3_firmware:100r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch121_v5_firmware:100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch121l_v5_firmware:100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ch242_v5_firmware:100r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:1288h_v5_firmware:100r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:2288h_v5_firmware:100r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:2488_v5_firmware:100r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:xh321_v5_firmware:100r005c00:*:*:*:*:*:*:*

More vulnerabilities in Huawei Ch121 V3 Firmware

CVE-2018-7943 — High (CVSS 8.8): There is an authentication bypass vulnerability in some Huawei servers. A remote attacker with low privilege may bypass…
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-2018-7942 — High (CVSS 7.5): The iBMC (Intelligent Baseboard Management Controller) of some Huawei servers have an authentication bypass…
CVE-2015-7842 — High (CVSS 7.1): Huawei FusionServer rack servers RH2288 V3 with software before V100R003C00SPC603, RH2288H V3 with software before…

All CVEs affecting Huawei Ch121 V3 Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →