How severe is CVE-2006-1555?

CVE-2006-1555 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-1555 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-1555?

CVE-2006-1555 affects Tachyon Vsns Lemon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-1555?

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

When was CVE-2006-1555 published?

CVE-2006-1555 was published on 2006-03-31 and last updated on 2026-06-16.

CVE-2006-1555

CVE-2006-1555 is a high-severity vulnerability in Tachyon Vsns Lemon with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tachyon Vsns Lemon
Published: 2006-03-31
Last modified: 2026-06-16

Description

VSNS Lemon 3.2.0 allows remote attackers to bypass authentication and access password-protected articles by setting the vsns[topic_id] cookie to the targeted topic.

Frequently asked questions

What is CVE-2006-1555?: VSNS Lemon 3.2.0 allows remote attackers to bypass authentication and access password-protected articles by setting the vsns[topic_id] cookie to the targeted topic.
How severe is CVE-2006-1555?: CVE-2006-1555 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-1555 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-1555?: CVE-2006-1555 affects Tachyon Vsns Lemon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-1555?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-1555 published?: CVE-2006-1555 was published on 2006-03-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:tachyon:vsns_lemon:3.2.0:*:*:*:*:*:*:*

More vulnerabilities in Tachyon Vsns Lemon

CVE-2006-1553 — Medium (CVSS 5.1): SQL injection vulnerability in functions/final_functions.php in VSNS Lemon 3.2.0, with magic_quotes_gpc disabled,…
CVE-2006-1554 — Low (CVSS 2.6): Cross-site scripting (XSS) vulnerability in VSNS Lemon 3.2.0 allows remote attackers to inject arbitrary web script or…

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