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CVE-2004-2049: eSeSIX Thintune thin clients running firmware 2.4.38 and earlier store sensitive usernames and passwords in cl

23
Routine
MEDIUM 4.6MITIGATEMITIGATEMITIGATE

CVE-2004-2049 is a medium-severity flaw (CVSS 4.6) affecting thintune extreme, thintune l, thintune m. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

eSeSIX Thintune thin clients running firmware 2.4.38 and earlier store sensitive usernames and passwords in cleartext in configuration files for the keeper library, which allows attackers to gain access.

Why this priority

  • No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score4.6 (Medium)
EPSS exploit chance0.4% (top 71%)
CISA exploited listNo
Published2004-12-31
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: esesix

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Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

esesix thintune extreme MITIGATE
Affected: 2.4.38
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.4.38
Firmware
Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.
esesix thintune l MITIGATE
Affected: 2.4.38
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.4.38
Firmware
Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.
esesix thintune m MITIGATE
Affected: 2.4.38
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.4.38
Firmware
Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.
esesix thintune mobile MITIGATE
Affected: 2.4.38
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.4.38
Firmware
Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.
esesix thintune s MITIGATE
Affected: 2.4.38
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.4.38
Firmware
Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.
esesix thintune xm MITIGATE
Affected: 2.4.38
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.4.38
Firmware
Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.
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-2004-2049?

thintune extreme: mitigate or apply the listed mitigation; thintune l: mitigate or apply the listed mitigation; thintune m: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-2049 being exploited?

CVE-2004-2049 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-2004-2049 affect?

CVE-2004-2049 affects thintune extreme, thintune l, thintune m. Severity is medium (CVSS 4.6). eSeSIX Thintune thin clients running firmware 2.4.38 and earlier store sensitive usernames and passwords in cleartext in configuration files for the keeper library, which allows attackers to gain access.

How urgent is CVE-2004-2049?

Priority 23/100. No elevated risk signals yet.

Related CVEs

References

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