CVE-2020-20663

CVE-2020-20663 is a medium-severity vulnerability in Libiec Iccp Mod Project Libiec Iccp Mod 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-787.

Key facts

Description

libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c.

Frequently asked questions

What is CVE-2020-20663?
libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c.
How severe is CVE-2020-20663?
CVE-2020-20663 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-20663 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-20663?
CVE-2020-20663 affects Libiec Iccp Mod Project Libiec Iccp Mod. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-20663?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-20663 published?
CVE-2020-20663 was published on 2021-09-30 and last updated on 2026-06-17.

References

Affected products (1)

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