How severe is CVE-2019-4406?

CVE-2019-4406 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-4406 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4406?

CVE-2019-4406 affects Ibm Spectrum Protect Backup-archive Client. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-4406?

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

When was CVE-2019-4406 published?

CVE-2019-4406 was published on 2019-11-25 and last updated on 2026-06-17.

CVE-2019-4406

CVE-2019-4406 is a medium-severity vulnerability in Ibm Spectrum Protect Backup-archive Client with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Spectrum Protect Backup-archive Client
Published: 2019-11-25
Last modified: 2026-06-17

Description

IBM Spectrum Protect Backup-Archive Client 7.1 and 8.1 may be vulnerable to a denial of service attack due to a timing issue between client and server TCP/IP communications. IBM X-Force ID: 162477.

Frequently asked questions

What is CVE-2019-4406?: IBM Spectrum Protect Backup-Archive Client 7.1 and 8.1 may be vulnerable to a denial of service attack due to a timing issue between client and server TCP/IP communications. IBM X-Force ID: 162477.
How severe is CVE-2019-4406?: CVE-2019-4406 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-4406 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4406?: CVE-2019-4406 affects Ibm Spectrum Protect Backup-archive Client. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-4406?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-4406 published?: CVE-2019-4406 was published on 2019-11-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:spectrum_protect_backup-archive_client:*:*:*:*:*:*:*:*

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