How severe is CVE-2020-4955?

CVE-2020-4955 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-4955 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4955?

CVE-2020-4955 affects Ibm Spectrum Protect Operations Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4955?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-4955 published?

CVE-2020-4955 was published on 2021-02-15 and last updated on 2026-06-17.

CVE-2020-4955

CVE-2020-4955 is a high-severity vulnerability in Ibm Spectrum Protect Operations Center with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 5.2
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Ibm Spectrum Protect Operations Center
Published: 2021-02-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-4955?: 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.
How severe is CVE-2020-4955?: CVE-2020-4955 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-4955 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4955?: CVE-2020-4955 affects Ibm Spectrum Protect Operations Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-4955 published?: CVE-2020-4955 was published on 2021-02-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:spectrum_protect_operations_center:*:*:*:*:*:*:*:*

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