CVE-2017-6953: Gemalto SmartDiag Diagnosis Tool v2.5 has a stack-based Buffer Overflow with SEH Overwrite via long "Register

Q: How do I fix CVE-2017-6953?

smartdiag diagnosis tool: upgrade to newer than 2.5. Exact commands for each OS are on this page.

Q: Is CVE-2017-6953 being exploited?

CVE-2017-6953 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-6953 affect?

CVE-2017-6953 affects smartdiag diagnosis tool. Severity is high (CVSS 7.8). Gemalto SmartDiag Diagnosis Tool v2.5 has a stack-based Buffer Overflow with SEH Overwrite via long "Register a new card" input fields. There may be a risk of local code execution with untrusted input to SmartDiag.exe or SymDiag.exe.

Q: How urgent is CVE-2017-6953?

Priority 50/100. High severity; Public exploit reference

This month

HIGH 7.8UPGRADE

CVE-2017-6953 is a high-severity flaw (CVSS 7.8) affecting smartdiag diagnosis tool. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Gemalto SmartDiag Diagnosis Tool v2.5 has a stack-based Buffer Overflow with SEH Overwrite via long "Register a new card" input fields. There may be a risk of local code execution with untrusted input to SmartDiag.exe or SymDiag.exe.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.3% (top 31%)
CISA exploited list	No
Weakness	CWE-119
Published	2017-05-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: gemalto

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-05-08 17:29 UTCPublished CVE record published
2026-06-17 01:23 UTCUpdated Record last modified

gemalto smartdiag diagnosis tool UPGRADE

Affected: <= 2.5

Fixed in: newer than 2.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy smartdiag-diagnosis-tool || rpm -q smartdiag-diagnosis-tool || smartdiag-diagnosis-tool --version

2. UPGRADE to newer than 2.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade smartdiag-diagnosis-tool

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade smartdiag-diagnosis-tool

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Gemalto SmartDiag Diagnosis Tool < 2.5 - Local Buffer Overflow (SEH)

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-2017-6953?

smartdiag diagnosis tool: upgrade to newer than 2.5. Exact commands for each OS are on this page.

Is CVE-2017-6953 being exploited?

CVE-2017-6953 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-2017-6953 affect?

CVE-2017-6953 affects smartdiag diagnosis tool. Severity is high (CVSS 7.8). Gemalto SmartDiag Diagnosis Tool v2.5 has a stack-based Buffer Overflow with SEH Overwrite via long "Register a new card" input fields. There may be a risk of local code execution with untrusted input to SmartDiag.exe or SymDiag.exe.

How urgent is CVE-2017-6953?

Priority 50/100. High severity; Public exploit reference

References

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