CVE-2020-28944

Name: CVE-2020-28944
Creator: NVD / NIST
Published: 2021-04-30T22:15:07.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.57%

Last modified Jun 17, 2026

CVE-2020-28944 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. OX Guard 2.10.4 and earlier allows a Denial of Service via a WKS server that responds slowly or with a large amount of data.. EPSS estimates a 1.57% chance of exploitation in the next 30 days.

Description

OX Guard 2.10.4 and earlier allows a Denial of Service via a WKS server that responds slowly or with a large amount of data.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.57%

72.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Open-Xchange	Ox Guard	<= 2.10.4

References

http://packetstormsecurity.com/files/162406/OX-App-Suite-OX-Guard-SSRF-DoS-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
https://open-xchange.comVendor Advisory
http://packetstormsecurity.com/files/162406/OX-App-Suite-OX-Guard-SSRF-DoS-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
https://open-xchange.comVendor Advisory

Timeline

Published: Apr 30, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28944?

OX Guard 2.10.4 and earlier allows a Denial of Service via a WKS server that responds slowly or with a large amount of data.

How severe is CVE-2020-28944?

CVE-2020-28944 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.57% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28944?

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-2020-28944?

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

Scan your code now

Source: NVD / NIST