How severe is CVE-2021-20488?

CVE-2021-20488 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-20488 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-20488?

CVE-2021-20488 affects Ibm Security Identity Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-20488?

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

When was CVE-2021-20488 published?

CVE-2021-20488 was published on 2021-06-16 and last updated on 2026-06-17.

CVE-2021-20488

CVE-2021-20488 is a medium-severity vulnerability in Ibm Security Identity Manager with a CVSS 3.x base score of 6.5. 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 6.5)
CVSS v2: 3.5
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Security Identity Manager
Published: 2021-06-16
Last modified: 2026-06-17

Description

IBM Security Identity Manager 6.0.2 could allow an authenticated malicious user to change the passwords of other users in the Windows AD environment when IBM Security Identity Manager Windows Password Synch Plug-in is deployed and configured. IBM X-Force ID: 197789.

Frequently asked questions

What is CVE-2021-20488?: IBM Security Identity Manager 6.0.2 could allow an authenticated malicious user to change the passwords of other users in the Windows AD environment when IBM Security Identity Manager Windows Password Synch Plug-in is deployed and configured. IBM X-Force ID: 197789.
How severe is CVE-2021-20488?: CVE-2021-20488 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-20488 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-20488?: CVE-2021-20488 affects Ibm Security Identity Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-20488?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-20488 published?: CVE-2021-20488 was published on 2021-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:security_identity_manager:6.0.2:*:*:*:*:*:*:*

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