A flaw exists in Trading Technologies Messaging 7.1.28.3 (ttmd.exe) due to improper validation of user-supplied data when processing a type…

published 2020-09-02 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-26935

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits: 0; none known

A flaw exists in Trading Technologies Messaging 7.1.28.3 (ttmd.exe) due to improper validation of user-supplied data when processing a type 8 message sent to default TCP RequestPort 10200. An unauthenticated, remote attacker can exploit this issue, via a specially crafted message, to terminate ttmd.exe.

Exploit prediction

1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

n/a Trading Technologies Messaging

Classification

Weakness

CWE-20 Improper Input Validation
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

tenable.com /security/research/tra-2020-52
third-party-advisory

Sources

CVE List CVE-2020-5778
NVD CVE-2020-5778

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary