How severe is CVE-2007-2233?

CVE-2007-2233 has a CVSS 2.0 base score of 6.5, rated medium severity.

Is CVE-2007-2233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-2233?

CVE-2007-2233 primarily affects Cosign. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-2233?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-2233 published?

CVE-2007-2233 was published on 2007-04-25 and last updated on 2026-06-16.

CVE-2007-2233

CVE-2007-2233 is a medium-severity vulnerability in Cosign with a CVSS 2.0 base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.5)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cosign
Published: 2007-04-25
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2007-2233?: 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.
How severe is CVE-2007-2233?: CVE-2007-2233 has a CVSS 2.0 base score of 6.5, rated medium severity.
Is CVE-2007-2233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-2233?: CVE-2007-2233 primarily affects Cosign. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-2233?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-2233 published?: CVE-2007-2233 was published on 2007-04-25 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:a:cosign:cosign:0.7.0:*:*:*:*:*:*:*
cpe:2.3:a:cosign:cosign:0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:cosign:cosign:0.9.0:*:*:*:*:*:*:*
cpe:2.3:a:cosign:cosign:1.0:*:*:*:*:*:*:*
cpe:2.3:a:cosign:cosign:1.1:*:*:*:*:*:*:*
cpe:2.3:a:cosign:cosign:1.5:*:*:*:*:*:*:*
cpe:2.3:a:cosign:cosign:1.6:*:*:*:*:*:*:*
cpe:2.3:a:cosign:cosign:1.7:*:*:*:*:*:*:*
cpe:2.3:a:cosign:cosign:1.8:*:*:*:*:*:*:*
cpe:2.3:a:cosign:cosign:1.8.5:*:*:*:*:*:*:*
cpe:2.3:a:cosign:cosign:1.9:*:*:*:*:*:*:*
cpe:2.3:a:cosign:cosign:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cosign:cosign:2.0.2:*:*:*:*:*:*:*

More vulnerabilities in Cosign

CVE-2007-2232 — High (CVSS 7.5): The CHECK command in Cosign 2.0.1 and earlier allows remote attackers to bypass authentication requirements via CR (\r)…

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