How severe is CVE-2020-4496?

CVE-2020-4496 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-4496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4496?

CVE-2020-4496 affects Ibm Spectrum Protect Plus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4496?

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

When was CVE-2020-4496 published?

CVE-2020-4496 was published on 2021-12-13 and last updated on 2026-06-17.

CVE-2020-4496

CVE-2020-4496 is a medium-severity vulnerability in Ibm Spectrum Protect Plus with a CVSS 3.x base score of 5.9. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Ibm Spectrum Protect Plus
Published: 2021-12-13
Last modified: 2026-06-17

Description

The IBM Spectrum Protect Plus 10.1.0.0 through 10.1.8.x server connection to an IBM Spectrum Protect Plus workload agent is subject to a man-in-the-middle attack due to improper certificate validation. IBM X-Force ID: 182046.

Frequently asked questions

What is CVE-2020-4496?: The IBM Spectrum Protect Plus 10.1.0.0 through 10.1.8.x server connection to an IBM Spectrum Protect Plus workload agent is subject to a man-in-the-middle attack due to improper certificate validation. IBM X-Force ID: 182046.
How severe is CVE-2020-4496?: CVE-2020-4496 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-4496 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4496?: CVE-2020-4496 affects Ibm Spectrum Protect Plus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4496?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4496 published?: CVE-2020-4496 was published on 2021-12-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:spectrum_protect_plus:*:*:*:*:*:*:*:*

More vulnerabilities in Ibm Spectrum Protect Plus

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CVE-2020-4469 — Critical (CVSS 9.8): IBM Spectrum Protect Plus 10.1.0 through 10.1.5 could allow a remote attacker to execute arbitrary code on the system.…
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CVE-2020-4208 — Critical (CVSS 9.8): IBM Spectrum Protect Plus 10.1.0 through 10.1.5 contains hard-coded credentials, such as a password or cryptographic…
CVE-2021-39063 — Critical (CVSS 9.1): IBM Spectrum Protect Plus 10.1.0.0 through 10.1.8.x uses Cross-Origin Resource Sharing (CORS) which could allow an…
CVE-2020-4242 — High (CVSS 8.8): IBM Spectrum Scale and IBM Spectrum Protect Plus 10.1.0 through 10.1.5 could allow a remote authenticated attacker to…

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