How severe is CVE-2002-1747?

CVE-2002-1747 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-1747 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-1747?

CVE-2002-1747 affects Maxim Krasnyansky Vtun. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2002-1747?

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

When was CVE-2002-1747 published?

CVE-2002-1747 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-1747

CVE-2002-1747 is a medium-severity vulnerability in Maxim Krasnyansky Vtun 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% (61st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Maxim Krasnyansky Vtun
Published: 2002-12-31
Last modified: 2026-06-16

Description

Vtun 2.5b1 does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and possibly control the data contents via cut-and-paste attacks on ECB.

Frequently asked questions

What is CVE-2002-1747?: Vtun 2.5b1 does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and possibly control the data contents via cut-and-paste attacks on ECB.
How severe is CVE-2002-1747?: CVE-2002-1747 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-1747 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-1747?: CVE-2002-1747 affects Maxim Krasnyansky Vtun. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-1747?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-1747 published?: CVE-2002-1747 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:maxim_krasnyansky:vtun:2.5b1:*:*:*:*:*:*:*

More vulnerabilities in Maxim Krasnyansky Vtun

CVE-2002-1746 — Medium (CVSS 5.0): Vtun 2.5b1 allows remote attackers to inject data into user sessions by sniffing and replaying packets.

All CVEs affecting Maxim Krasnyansky Vtun →