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CVE-2007-2233

MediumPublished

cosign-bin/cosign.cgi in Cosign 2.0.2 and earlier allows remote authenticated users to perform unauthorized actions as an arbitrary user by using CR (\r)...

Published: Apr 25, 2007
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Apr 11, 2007

Primary CVSS

6.5/ 10Medium

nvd · CVSS 2.0

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

EPSS probability estimate

2.0%

Low · next 30 days

Percentile: 79.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

cosign-bin/cosign.cgi in Cosign 2.0.2 and earlier allows remote authenticated users to perform unauthorized actions as an arbitrary user by using CR (\r) sequences in the service parameter to inject LOGIN and REGISTER commands with the desired username.

Sources

Cosign 2.0.1/2.9.4a - CGI Register Command Remote Authentication BypassExploit
Jon Oberheide · cgi · Apr 11, 2007

Responsible use

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