SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-44503

Using crafted input, an attacker can cause a call to va_arg on an empty variadic parameter list, most likely causing a memory segmentation fault.

HIGH 7.5EPSS 1.60%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can cause a call to va_arg on an empty variadic parameter list, most likely causing a memory segmentation fault.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.60% probability · 74th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
fisglobal/gt.m
Source
cve@mitre.org

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