How severe is CVE-2004-0992?

CVE-2004-0992 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2004-0992 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0992?

CVE-2004-0992 primarily affects Proxytunnel. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-0992?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2004-0992 published?

CVE-2004-0992 was published on 2005-03-01 and last updated on 2026-06-16.

CVE-2004-0992

CVE-2004-0992 is a critical-severity vulnerability in Proxytunnel with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Proxytunnel
Published: 2005-03-01
Last modified: 2026-06-16

Description

Format string vulnerability in the -a option (daemon mode) in Proxytunnel before 1.2.3 allows remote attackers to execute arbitrary code via format string specifiers in an invalid proxy answer.

Frequently asked questions

What is CVE-2004-0992?: Format string vulnerability in the -a option (daemon mode) in Proxytunnel before 1.2.3 allows remote attackers to execute arbitrary code via format string specifiers in an invalid proxy answer.
How severe is CVE-2004-0992?: CVE-2004-0992 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-0992 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0992?: CVE-2004-0992 primarily affects Proxytunnel. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0992?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2004-0992 published?: CVE-2004-0992 was published on 2005-03-01 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:proxytunnel:proxytunnel:1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:proxytunnel:proxytunnel:1.1.3:*:*:*:*:*:*:*
cpe:2.3:a:proxytunnel:proxytunnel:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:proxytunnel:proxytunnel:1.2_.0:*:*:*:*:*:*:*

More vulnerabilities in Proxytunnel

CVE-2004-2440 — Low (CVSS 2.1): Unspecified vulnerability in cmdline.c in proxytunnel 1.1.3 and earlier allows local users to obtain proxy credentials…

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