SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-55080

In Eclipse ThreadX before 6.4.3, when memory protection is enabled, syscall parameters verification wasn't enough, allowing an attacker to obtain an arbitrary memory read/write.

HIGH 7.2EPSS 0.13%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In Eclipse ThreadX before 6.4.3, when memory protection is enabled, syscall parameters verification wasn't enough, allowing an attacker to obtain an arbitrary memory read/write.

CVSS 4.0
7.2 HIGHCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.13% probability · 3th percentile
CISA KEV
Not listed
Weakness
CWE-233
Affected
eclipse/threadx
Source
emo@eclipse.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.