How severe is CVE-2020-4687?

CVE-2020-4687 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-4687 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4687?

CVE-2020-4687 primarily affects Ibm Content Navigator. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4687?

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

When was CVE-2020-4687 published?

CVE-2020-4687 was published on 2020-08-20 and last updated on 2026-06-17.

CVE-2020-4687

CVE-2020-4687 is a medium-severity vulnerability in Ibm Content Navigator with a CVSS 3.x base score of 4.3. 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 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Content Navigator
Published: 2020-08-20
Last modified: 2026-06-17

Description

IBM Content Navigator 3.0.7 and 3.0.8 could allow an authenticated user to view cached content of another user that they should not have access to. IBM X-Force ID: 186679.

Frequently asked questions

What is CVE-2020-4687?: IBM Content Navigator 3.0.7 and 3.0.8 could allow an authenticated user to view cached content of another user that they should not have access to. IBM X-Force ID: 186679.
How severe is CVE-2020-4687?: CVE-2020-4687 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-4687 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4687?: CVE-2020-4687 primarily affects Ibm Content Navigator. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4687?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4687 published?: CVE-2020-4687 was published on 2020-08-20 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:ibm:content_navigator:3.0.0:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:content_navigator:3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:content_navigator:3.0.8:*:*:*:*:*:*:*