How severe is CVE-2020-6867?

CVE-2020-6867 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-6867 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-6867?

CVE-2020-6867 primarily affects Zte Zenic One R22b. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-6867?

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

When was CVE-2020-6867 published?

CVE-2020-6867 was published on 2020-04-30 and last updated on 2026-06-17.

CVE-2020-6867

CVE-2020-6867 is a medium-severity vulnerability in Zte Zenic One R22b with a CVSS 3.x base score of 5.5. 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Zte Zenic One R22b
Published: 2020-04-30
Last modified: 2026-06-17

Description

ZTE's SDON controller is impacted by the resource management error vulnerability. When RPC is frequently called by other applications in the case of mass traffic data in the system, it will result in no response for a long time and memory overflow risk. This affects: ZENIC ONE R22b versions V16.19.10P02SP002 and V16.19.10P02SP005.

Frequently asked questions

What is CVE-2020-6867?: ZTE's SDON controller is impacted by the resource management error vulnerability. When RPC is frequently called by other applications in the case of mass traffic data in the system, it will result in no response for a long time and memory overflow risk. This affects: ZENIC ONE R22b versions V16.19.10P02SP002 and V16.19.10P02SP005.
How severe is CVE-2020-6867?: CVE-2020-6867 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-6867 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-6867?: CVE-2020-6867 primarily affects Zte Zenic One R22b. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-6867?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-6867 published?: CVE-2020-6867 was published on 2020-04-30 and last updated on 2026-06-17.

References

http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1012842

Affected products (2)

cpe:2.3:a:zte:zenic_one_r22b:6.19.10p02sp005:*:*:*:*:*:*:*
cpe:2.3:a:zte:zenic_one_r22b:16.19.10p02sp002:*:*:*:*:*:*:*

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