Buffer overflow in ZTE Zenic One R22b

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.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (26.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-6867: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • ZTE Zenic One R22b — versions 6.19.10p02sp005, 16.19.10p02sp002
  • Zenic One R22b — versions V16.19.10P02SP002, V16.19.10P02SP005

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-6867?
CVE-2020-6867 is a medium-severity vulnerability in ZTE Zenic One R22b, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2020-04-30.
How severe is CVE-2020-6867?
Medium severity. CVSS v3 base score is 5.5 out of 10.