How severe is CVE-2018-7977?

CVE-2018-7977 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-7977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7977?

CVE-2018-7977 affects Huawei Fusionsphere Openstack. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7977?

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-2018-7977 published?

CVE-2018-7977 was published on 2018-11-27 and last updated on 2026-06-17.

CVE-2018-7977

CVE-2018-7977 is a high-severity vulnerability in Huawei Fusionsphere Openstack with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Huawei Fusionsphere Openstack
Published: 2018-11-27
Last modified: 2026-06-17

Description

There is an information leakage vulnerability on several Huawei products. Due to insufficient communication protection for specific services, a remote, unauthorized attacker can exploit this vulnerability to connect to specific services to obtain additional information. Successful exploitation of this vulnerability can lead to information leakage.

Frequently asked questions

What is CVE-2018-7977?: There is an information leakage vulnerability on several Huawei products. Due to insufficient communication protection for specific services, a remote, unauthorized attacker can exploit this vulnerability to connect to specific services to obtain additional information. Successful exploitation of this vulnerability can lead to information leakage.
How severe is CVE-2018-7977?: CVE-2018-7977 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-7977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7977?: CVE-2018-7977 affects Huawei Fusionsphere Openstack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7977?: 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-2018-7977 published?: CVE-2018-7977 was published on 2018-11-27 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20181114-01-fusionsphere-en

Affected products (1)

cpe:2.3:o:huawei:fusionsphere_openstack:100r006c00:*:*:*:*:*:*:*

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