CVE-2020-4955

Name: CVE-2020-4955
Creator: NVD / NIST
Published: 2021-02-15T15:15:13.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2020-4955 is a high-severity vulnerability rated 8/10 on the CVSS scale. IBM Spectrum Protect Operations Center 7.1 and 8.1could allow a remote attacker to execute arbitrary code on the system, caused by improper parameter validation. By creating an unspecified servlet request with specially crafted input parameters, an attacker could exploit this vulnerability to load a malicious .dll with elevated privileges. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

IBM Spectrum Protect Operations Center 7.1 and 8.1could allow a remote attacker to execute arbitrary code on the system, caused by improper parameter validation. By creating an unspecified servlet request with specially crafted input parameters, an attacker could exploit this vulnerability to load a malicious .dll with elevated privileges. IBM X-Force ID: 192155.

Metrics

CVSS 3.1

8/10

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

EPSS Probability

0.63%

45.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Ibm	Spectrum Protect Operations Center	>= 7.1.0.000, < 7.1.13.000
Ibm	Spectrum Protect Operations Center	>= 8.1.0.000, < 8.1.10.200

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/192155VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6404966Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/192155VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6404966Patch, Vendor Advisory

Timeline

Published: Feb 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4955?

How severe is CVE-2020-4955?

CVE-2020-4955 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4955?

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-2020-4955?

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

Scan your code now

Source: NVD / NIST