What is CVE-2021-44439?

CVE-2021-44439 is a high-severity vulnerability in Siemens Jt_open_toolkit, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2021-12-14.

How severe is CVE-2021-44439?

High severity. CVSS v3 base score is 7.8 out of 10.

Out-of-bounds Read in Siemens Jt_open_toolkit

CVE-2021-44439

A vulnerability has been identified in JT Utilities (All versions < V13.1.1.0), JTTK (All versions < V11.1.1.0). JTTK library in affected products is vulnerable to an out of bounds read past the end of an allocated buffer when parsing spec…

Vulnerability class: Buffer Overflow

EPSS: 0.006 (46.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Siemens Jt_open_toolkit
Siemens Jttk — versions All versions < V11.1.1.0
Siemens Jt Utilities — versions All versions < V13.1.1.0
Siemens Jt_utilities

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

productcert@siemens.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-44439?: CVE-2021-44439 is a high-severity vulnerability in Siemens Jt_open_toolkit, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2021-12-14.
How severe is CVE-2021-44439?: High severity. CVSS v3 base score is 7.8 out of 10.