How severe is CVE-2020-5779?

CVE-2020-5779 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-2020-5779 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5779?

CVE-2020-5779 affects Tradingtechnologies Trading Technologies Messaging. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5779?

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-2020-5779 published?

CVE-2020-5779 was published on 2020-09-02 and last updated on 2026-06-17.

CVE-2020-5779

CVE-2020-5779 is a high-severity vulnerability in Tradingtechnologies Trading Technologies Messaging 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tradingtechnologies Trading Technologies Messaging
Published: 2020-09-02
Last modified: 2026-06-17

Description

A flaw in Trading Technologies Messaging 7.1.28.3 (ttmd.exe) relates to invalid parameter handling when calling strcpy_s() with an invalid parameter (i.e., a long src string parameter) as a part of processing a type 4 message sent to default TCP RequestPort 10200. It's been observed that ttmd.exe terminates as a result.

Frequently asked questions

What is CVE-2020-5779?: A flaw in Trading Technologies Messaging 7.1.28.3 (ttmd.exe) relates to invalid parameter handling when calling strcpy_s() with an invalid parameter (i.e., a long src string parameter) as a part of processing a type 4 message sent to default TCP RequestPort 10200. It's been observed that ttmd.exe terminates as a result.
How severe is CVE-2020-5779?: CVE-2020-5779 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-2020-5779 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5779?: CVE-2020-5779 affects Tradingtechnologies Trading Technologies Messaging. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5779?: 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-2020-5779 published?: CVE-2020-5779 was published on 2020-09-02 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2020-52

Affected products (1)

cpe:2.3:a:tradingtechnologies:trading_technologies_messaging:7.1.28.3:*:*:*:*:*:*:*

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