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CVE-2018-7977

There is an information leakage vulnerability on several Huawei products. Due to insufficient communication protection for specific…

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.

Timeline

  1. ID reserved

    By huawei

  2. · 9 months later

    Published

  3. · 6 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2018-7977, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
0.98% · top 38% of all CVEs (9 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Affected products

References

1

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .