CVE-2020-4494

Name: CVE-2020-4494
Creator: NVD / NIST
Published: 2020-06-15T14:15:12.363+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.23%

Last modified Jun 17, 2026

CVE-2020-4494 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. IBM Spectrum Protect Client 8.1.7.0 through 8.1.9.1 (Linux and Windows), 8.1.9.0 trough 8.1.9.1 (AIX) and IBM Spectrum Protect for Space Management 8.1.7.0 through 8.1.9.1 (Linux), 8.1.9.0 through 8.1.9.1 (AIX) web user interfaces could allow an attacker to bypass authentication due to improper session validation which can result in access to unauthorized resources. IBM X-Force ID: 182019.. EPSS estimates a 2.23% chance of exploitation in the next 30 days.

Description

IBM Spectrum Protect Client 8.1.7.0 through 8.1.9.1 (Linux and Windows), 8.1.9.0 trough 8.1.9.1 (AIX) and IBM Spectrum Protect for Space Management 8.1.7.0 through 8.1.9.1 (Linux), 8.1.9.0 through 8.1.9.1 (AIX) web user interfaces could allow an attacker to bypass authentication due to improper session validation which can result in access to unauthorized resources. IBM X-Force ID: 182019.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.23%

80.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Ibm	Spectrum Protect Client	>= 8.1.7.0, <= 8.1.9.1
Ibm	Spectrum Protect Client	>= 8.1.9.0, <= 8.1.9.1
Ibm	Spectrum Protect For Space Management	>= 8.1.7.0, <= 8.1.9.1
Ibm	Spectrum Protect For Space Management	>= 8.1.9.0, <= 8.1.9.1

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/182019VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6221448Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/182019VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6221448Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-4494?

How severe is CVE-2020-4494?

CVE-2020-4494 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.23% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4494?

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-2020-4494?

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

Scan your code now

Source: NVD / NIST