CVE-2018-21245

Name: CVE-2018-21245
Creator: NVD / NIST
Published: 2020-06-15T17:15:09.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 1.13%

Last modified Jun 17, 2026

CVE-2018-21245 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Pound before 2.8 allows HTTP request smuggling, a related issue to CVE-2016-10711.. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

Description

Pound before 2.8 allows HTTP request smuggling, a related issue to CVE-2016-10711.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

1.13%

62.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-444

Affected Software

Vendor	Product	Versions
Apsis	Pound	< 2.8

References

https://admin.hostpoint.ch/pipermail/pound_apsis.ch/2018-May/000054.htmlThird Party Advisory
https://bugs.gentoo.org/714084
https://admin.hostpoint.ch/pipermail/pound_apsis.ch/2018-May/000054.htmlThird Party Advisory
https://bugs.gentoo.org/714084

Timeline

Published: Jun 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-21245?

Pound before 2.8 allows HTTP request smuggling, a related issue to CVE-2016-10711.

How severe is CVE-2018-21245?

CVE-2018-21245 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.

How do I fix CVE-2018-21245?

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-2018-21245?

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

Scan your code now

Source: NVD / NIST