How severe is CVE-2020-4406?

CVE-2020-4406 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-4406 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4406?

CVE-2020-4406 primarily affects Ibm Spectrum Protect Client. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4406?

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

When was CVE-2020-4406 published?

CVE-2020-4406 was published on 2020-06-15 and last updated on 2026-06-17.

CVE-2020-4406

CVE-2020-4406 is a medium-severity vulnerability in Ibm Spectrum Protect Client with a CVSS 3.x base score of 5.4. 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-1021.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1021
Affected product: Ibm Spectrum Protect Client
Published: 2020-06-15
Last modified: 2026-06-17

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 a remote attacker to hijack the clicking action of the victim. By persuading a victim to visit a malicious Web site, a remote attacker could exploit this vulnerability to hijack the victim's click actions and possibly launch further attacks against the victim. IBM X-Force ID: 179488.

Frequently asked questions

What is CVE-2020-4406?: 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 a remote attacker to hijack the clicking action of the victim. By persuading a victim to visit a malicious Web site, a remote attacker could exploit this vulnerability to hijack the victim's click actions and possibly launch further attacks against the victim. IBM X-Force ID: 179488.
How severe is CVE-2020-4406?: CVE-2020-4406 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-4406 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4406?: CVE-2020-4406 primarily affects Ibm Spectrum Protect Client. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4406?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4406 published?: CVE-2020-4406 was published on 2020-06-15 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ibm:spectrum_protect_client:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:spectrum_protect_for_space_management:*:*:*:*:*:*:*:*

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