CVE-2009-3887

ytnef has directory traversal

9.8 Critical

CVE-2009-3887 is a critical vulnerability (CVSS 9.8) in Ytnef, published October 29, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.53%, the 85th percentile. No source names a fixed version.

What does this mean?

Severity: 9.8 CriticalCVSS 3.1, NVD
Exploit chance: 2.53%EPSS, 85th percentile
Exploitation: None knownNot on CISA’s or ENISA’s lists
Fixed in: No fix listedNo source names one

Description

ytnef has directory traversal

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.53%Up 1.5 points since Feb 4, 2022

Affected products

What each source reports

NVD Score used9.8

ytnef has directory traversal

Record: CVE-2009-3887
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-22
Updated: 2026-11-02

CVE ListNo score

ytnef has directory traversal

Record: CVE-2009-3887
Updated: 2026-11-02

EUVDEUVD-2009-3858No score

ytnef has directory traversal

Record: EUVD-2009-3858
Updated: 2026-11-03

GitHub AdvisoriesGHSA-rcqr-q789-7p6p9.8

ytnef has directory traversal

ytnef has directory traversal

Record: GHSA-rcqr-q789-7p6p
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-22
Updated: 2026-11-02

History

History
Recorded	Changed	Sources
Nov 10, 2026	facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

Description

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

Affected products

What each source reports

History

References