How severe is CVE-2006-6940?

CVE-2006-6940 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2006-6940 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6940?

CVE-2006-6940 affects Owa. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-6940?

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

When was CVE-2006-6940 published?

CVE-2006-6940 was published on 2007-01-17 and last updated on 2026-06-16.

CVE-2006-6940

CVE-2006-6940 is a critical-severity vulnerability in Owa with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 5% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Owa
Published: 2007-01-17
Last modified: 2026-06-16

Description

Buffer overflow in the ParseHeader function in clsOWA.cls in POP3/SMTP to OWA (pop2owa) 1.1.3 allows remote attackers to execute arbitrary code via a long header in an e-mail message.

Frequently asked questions

What is CVE-2006-6940?: Buffer overflow in the ParseHeader function in clsOWA.cls in POP3/SMTP to OWA (pop2owa) 1.1.3 allows remote attackers to execute arbitrary code via a long header in an e-mail message.
How severe is CVE-2006-6940?: CVE-2006-6940 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2006-6940 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6940?: CVE-2006-6940 affects Owa. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-6940?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2006-6940 published?: CVE-2006-6940 was published on 2007-01-17 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:owa:owa:1.1.3:*:*:*:*:*:*:*