Is CVE-2002-1747 in the CISA KEV catalog?

No. CVE-2002-1747 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2002-1747?

CVE-2002-1747 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2002-1747?

CVE-2002-1747 has an EPSS score of 1.07% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2002-1747?

Upgrade vtun on debian 11 to 2.5b2 or later.

CVE & CISA-KEV Catalog

CVE-2002-1747

MEDIUM

5.0

CVSS v2

NVD

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.

How to fix

Remediation Available

vtunDebian

Fixed in:2.5b2CVE-2002-1747

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.07%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.