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CVE-2022-47977: A vulnerability has been identified in JT Open (All versions < V11.2.3.0), JT Utilities (All versions < V13.2.

30
Routine
HIGH 7.8UPGRADEUPGRADE

CVE-2022-47977 is a high-severity flaw (CVSS 7.8) affecting jt open toolkit, jt utilities. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been identified in JT Open (All versions < V11.2.3.0), JT Utilities (All versions < V13.2.3.0). The affected application contains a memory corruption vulnerability while parsing specially crafted JT files. This could allow an attacker to execute code in the context of the current process.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score7.8 (High)
Attack vectorLocal
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.2% (top 88%)
CISA exploited listNo
WeaknessCWE-119, CWE-787
Published2023-02-14
Last modified2026-10-24
Publisher (CNA): Siemens AG · Vendor: siemens

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Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

siemens jt open toolkit UPGRADE
Affected: < 11.2.3.0
Fixed in: 11.2.3.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy jt-open-toolkit || rpm -q jt-open-toolkit || jt-open-toolkit --version
2. UPGRADE to 11.2.3.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade jt-open-toolkit
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade jt-open-toolkit
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
siemens jt utilities UPGRADE
Affected: < 11.2.3.0
Fixed in: 11.2.3.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy jt-utilities || rpm -q jt-utilities || jt-utilities --version
2. UPGRADE to 11.2.3.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade jt-utilities
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade jt-utilities
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-47977?

jt open toolkit: upgrade to 11.2.3.0; jt utilities: upgrade to 11.2.3.0. Exact commands for each OS are on this page.

Is CVE-2022-47977 being exploited?

CVE-2022-47977 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-47977 affect?

CVE-2022-47977 affects jt open toolkit, jt utilities. Severity is high (CVSS 7.8). A vulnerability has been identified in JT Open (All versions < V11.2.3.0), JT Utilities (All versions < V13.2.3.0). The affected application contains a memory corruption vulnerability while parsing specially crafted JT files. This could all

How urgent is CVE-2022-47977?

Priority 30/100. High severity

Related CVEs

References

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