CVE-2020-20657
CVE-2020-20657 is a high-severity vulnerability in Libiec Iccp Mod Project Libiec Iccp Mod with a CVSS 3.x base score of 7.5. 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-120.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-120
- Affected product: Libiec Iccp Mod Project Libiec Iccp Mod
- Published:
- Last modified:
Description
Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denial of service via an unexpected packet while trying to connect.
Frequently asked questions
- What is CVE-2020-20657?
- Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denial of service via an unexpected packet while trying to connect.
- How severe is CVE-2020-20657?
- CVE-2020-20657 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-20657 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-20657?
- CVE-2020-20657 affects Libiec Iccp Mod Project Libiec Iccp Mod. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-20657?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-20657 published?
- CVE-2020-20657 was published on 2021-11-02 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:libiec_iccp_mod_project:libiec_iccp_mod:1.5:*:*:*:*:*:*:*
More vulnerabilities in Libiec Iccp Mod Project Libiec Iccp Mod
- CVE-2020-20658 — High (CVSS 7.5): Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denail of service when…
- CVE-2020-20490 — High (CVSS 7.5): A heap buffer-overflow in the client_example1.c component of libiec_iccp_mod v1.5 leads to a denial of service (DOS).
- CVE-2020-20664 — Medium (CVSS 6.5): libiec_iccp_mod v1.5 contains a segmentation violation in the component server_example1.c.
- CVE-2020-20663 — Medium (CVSS 6.5): libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c.
- CVE-2020-20662 — Medium (CVSS 6.5): libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_example1.c.
All CVEs affecting Libiec Iccp Mod Project Libiec Iccp Mod →
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