CVE-2018-10388

Name: CVE-2018-10388
Creator: NVD / NIST
Published: 2019-12-23T23:15:11.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.36%

Last modified Jun 17, 2026

CVE-2018-10388 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Format string vulnerability in the logMess function in TFTP Server SP 1.66 and earlier allows remote attackers to perform a denial of service or execute arbitrary code via format string sequences in a TFTP error packet.. EPSS estimates a 4.36% chance of exploitation in the next 30 days.

Description

Format string vulnerability in the logMess function in TFTP Server SP 1.66 and earlier allows remote attackers to perform a denial of service or execute arbitrary code via format string sequences in a TFTP error packet.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.36%

90.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-134

Affected Software

Vendor	Product	Versions
Open Tftp Server Project	Open Tftp Server	<= 1.66

References

https://sourceforge.net/p/tftp-server/discussion/550564/thread/a586ce62/Patch, Third Party Advisory
https://sourceforge.net/p/tftp-server/discussion/550564/thread/a586ce62/Patch, Third Party Advisory

Timeline

Published: Dec 23, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-10388?

How severe is CVE-2018-10388?

CVE-2018-10388 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.36% probability of exploitation in the next 30 days.

How do I fix CVE-2018-10388?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-10388?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST