How severe is CVE-2006-6981?

CVE-2006-6981 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2006-6981 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6981?

CVE-2006-6981 primarily affects 3proxy. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-6981?

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

When was CVE-2006-6981 published?

CVE-2006-6981 was published on 2007-02-08 and last updated on 2026-06-16.

CVE-2006-6981

CVE-2006-6981 is a medium-severity vulnerability in 3proxy with a CVSS 2.0 base score of 5.0. 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 5.0)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: 3proxy
Published: 2007-02-08
Last modified: 2026-06-16

Description

3proxy 0.5 to 0.5.2, when NT-encoded passwords are being used, allows remote attackers to cause a denial of service (blocked account) via unspecified vectors related to NTLM authentication, which causes a password hash to be overwritten.

Frequently asked questions

What is CVE-2006-6981?: 3proxy 0.5 to 0.5.2, when NT-encoded passwords are being used, allows remote attackers to cause a denial of service (blocked account) via unspecified vectors related to NTLM authentication, which causes a password hash to be overwritten.
How severe is CVE-2006-6981?: CVE-2006-6981 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-6981 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6981?: CVE-2006-6981 primarily affects 3proxy. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-6981?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6981 published?: CVE-2006-6981 was published on 2007-02-08 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:3proxy:3proxy:0.5:*:*:*:*:*:*:*
cpe:2.3:a:3proxy:3proxy:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:3proxy:3proxy:0.5.2:*:*:*:*:*:*:*

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