CVE-2004-1484

5.0 MEDIUM 7% exploit odds Fix listed Code execution

What it is

Format string vulnerability in the _msg function in error.c in socat 1.4.0.3 and earlier, when used as an HTTP proxy client and run with the -ly option, allows remote attackers or local users to execute arbitrary code via format string specifiers in a syslog message.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 7.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2004-12-31 05:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:07 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 7.3% in the next 30 days (EPSS).
Severity: 5.0 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2004-12-31 05:00 UTC
Last modified: 2026-06-16 22:07 UTC
Exploit probability: 7.3% · EPSS, next 30 days
Record status: Modified

Affected

Socat 1.0.3.0
Socat 1.0.4.0
Socat 1.0.4.1
Socat 1.0.4.2
Socat 1.1.0.0
Socat 1.1.0.1
Socat 1.2.0.0
Socat 1.3.0.0

Attack profile CVSS 2.0 · 5.0

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: None
Integrity: Partial
Availability: None

Raw vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record