How severe is CVE-2019-5280?

CVE-2019-5280 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.

Is CVE-2019-5280 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5280?

CVE-2019-5280 affects Huawei Cloudlink Phone 7900 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-5280?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-5280 published?

CVE-2019-5280 was published on 2019-08-13 and last updated on 2026-06-17.

CVE-2019-5280

CVE-2019-5280 is a medium-severity vulnerability in Huawei Cloudlink Phone 7900 Firmware with a CVSS 3.x base score of 6.5. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.8
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Huawei Cloudlink Phone 7900 Firmware
Published: 2019-08-13
Last modified: 2026-06-17

Description

The SIP TLS module of Huawei CloudLink Phone 7900 with V600R019C10 has a TLS certificate verification vulnerability. Due to insufficient verification of specific parameters of the TLS server certificate, attackers can perform man-in-the-middle attacks, leading to the affected phones registered abnormally, affecting the availability of IP phones.

Frequently asked questions

What is CVE-2019-5280?: The SIP TLS module of Huawei CloudLink Phone 7900 with V600R019C10 has a TLS certificate verification vulnerability. Due to insufficient verification of specific parameters of the TLS server certificate, attackers can perform man-in-the-middle attacks, leading to the affected phones registered abnormally, affecting the availability of IP phones.
How severe is CVE-2019-5280?: CVE-2019-5280 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
Is CVE-2019-5280 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5280?: CVE-2019-5280 affects Huawei Cloudlink Phone 7900 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-5280?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-5280 published?: CVE-2019-5280 was published on 2019-08-13 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190724-01-7900-en

Affected products (1)

cpe:2.3:o:huawei:cloudlink_phone_7900_firmware:v600r019c10:*:*:*:*:*:*:*

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