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Vulnerability record · CVE-2001-0783 · published 18 October 2001

CVE-2001-0783: Cisco tftp server vulnerability

Cisco · Tftp Server

Cisco TFTP server 1.1 allows remote attackers to read arbitrary files via a ..(dot dot) attack in the GET command.

5.0 CVSS 2.0 Medium EPSS 1.7% · top 23.3%
5.0CVSS 2.0 base score
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

Cisco TFTP server 1.1 allows remote attackers to read arbitrary files via a ..(dot dot) attack in the GET command.

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/bugtraq/2001-06/0227.html ExploitPatchVendor Advisory
http://www.securityfocus.com/bid/2886 ExploitVendor Advisory
http://www.sentry-labs.com/files/cisco0201061701.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/6722
http://archives.neohapsis.com/archives/bugtraq/2001-06/0227.html ExploitPatchVendor Advisory
http://www.securityfocus.com/bid/2886 ExploitVendor Advisory
http://www.sentry-labs.com/files/cisco0201061701.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/6722

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

5.0CVE-2010-1174Cisco tftp server improper input validation vulnerabilityCisco TFTP Server 1.1 allows remote attackers to cause a denial of service (daemon crash) via a crafted (1) read (aka RRQ) or (2) write (aka WRQ) req…EPSS 5.1%

Source: NIST National Vulnerability Database (record CVE-2001-0783), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.