How severe is CVE-2020-4771?

CVE-2020-4771 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-4771 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4771?

CVE-2020-4771 affects Ibm Spectrum Protect Operations Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4771?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-4771 published?

CVE-2020-4771 was published on 2020-11-23 and last updated on 2026-06-17.

CVE-2020-4771

CVE-2020-4771 is a medium-severity vulnerability in Ibm Spectrum Protect Operations Center with a CVSS 3.x base score of 5.3. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Ibm Spectrum Protect Operations Center
Published: 2020-11-23
Last modified: 2026-06-17

Description

IBM Spectrum Protect Operations Center 8.1.0.000 through 8.1.10.and 7.1.0.000 through 7.1.11 could allow a remote attacker to obtain sensitive information, caused by improper authentication of a websocket endpoint. By using known tools to subscribe to the websocket event stream, an attacker could exploit this vulnerability to obtain sensitive information. IBM X-Force ID: 188993.

Frequently asked questions

What is CVE-2020-4771?: IBM Spectrum Protect Operations Center 8.1.0.000 through 8.1.10.and 7.1.0.000 through 7.1.11 could allow a remote attacker to obtain sensitive information, caused by improper authentication of a websocket endpoint. By using known tools to subscribe to the websocket event stream, an attacker could exploit this vulnerability to obtain sensitive information. IBM X-Force ID: 188993.
How severe is CVE-2020-4771?: CVE-2020-4771 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-4771 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4771?: CVE-2020-4771 affects Ibm Spectrum Protect Operations Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4771?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4771 published?: CVE-2020-4771 was published on 2020-11-23 and last updated on 2026-06-17.

References

Affected products (1)

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

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