CVE-2020-4471

Name: CVE-2020-4471
Creator: NVD / NIST
Published: 2020-06-15T14:15:12.207+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 2.65%

Last modified Jun 17, 2026

CVE-2020-4471 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. IBM Spectrum Protect Plus 10.1.0 through 10.1.5 could allow an unauthenticated attacker to cause a denial of service or hijack DNS sessions by send a specially crafted HTTP command to the remote server. IBM X-Force ID: 181726.. EPSS estimates a 2.65% chance of exploitation in the next 30 days.

Description

IBM Spectrum Protect Plus 10.1.0 through 10.1.5 could allow an unauthenticated attacker to cause a denial of service or hijack DNS sessions by send a specially crafted HTTP command to the remote server. IBM X-Force ID: 181726.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

2.65%

83.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Ibm	Spectrum Protect Plus	>= 10.1.0, <= 10.1.5

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/181726VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6221358Patch, Vendor Advisory
https://www.tenable.com/security/research/tra-2020-37Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/181726VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6221358Patch, Vendor Advisory
https://www.tenable.com/security/research/tra-2020-37Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-4471?

How severe is CVE-2020-4471?

CVE-2020-4471 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.65% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4471?

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-2020-4471?

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

Scan your code now

Source: NVD / NIST