How severe is CVE-2007-6340?

CVE-2007-6340 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2007-6340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6340?

CVE-2007-6340 primarily affects Moernaut Lsrunase. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-6340?

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

When was CVE-2007-6340 published?

CVE-2007-6340 was published on 2008-02-05 and last updated on 2026-06-16.

CVE-2007-6340

CVE-2007-6340 is a low-severity vulnerability in Moernaut Lsrunase with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-255.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Moernaut Lsrunase
Published: 2008-02-05
Last modified: 2026-06-16

Description

Geert Moernaut LSrunasE 1.0 and Supercrypt 1.0 use the RC4 stream cipher without constructing a unique initialization vector (IV), which makes it easier for local users to obtain cleartext passwords.

Frequently asked questions

What is CVE-2007-6340?: Geert Moernaut LSrunasE 1.0 and Supercrypt 1.0 use the RC4 stream cipher without constructing a unique initialization vector (IV), which makes it easier for local users to obtain cleartext passwords.
How severe is CVE-2007-6340?: CVE-2007-6340 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2007-6340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6340?: CVE-2007-6340 primarily affects Moernaut Lsrunase. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-6340?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-6340 published?: CVE-2007-6340 was published on 2008-02-05 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:moernaut:lsrunase:1.0:*:*:*:*:*:*:*
cpe:2.3:a:moernaut:supercrypt:1.0:*:*:*:*:*:*:*

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