How severe is CVE-2021-28488?

CVE-2021-28488 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 high, integrity none, and availability none.

Is CVE-2021-28488 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28488?

CVE-2021-28488 affects Ericsson Network Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28488?

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

When was CVE-2021-28488 published?

CVE-2021-28488 was published on 2022-03-10 and last updated on 2026-06-17.

CVE-2021-28488

CVE-2021-28488 is a medium-severity vulnerability in Ericsson Network 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. The underlying weakness is classified as CWE-668.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Ericsson Network Manager
Published: 2022-03-10
Last modified: 2026-06-17

Description

Ericsson Network Manager (ENM) before 21.2 has incorrect access-control behavior (that only affects the level of access available to persons who were already granted a highly privileged role). Users in the same AMOS authorization group can retrieve managed-network data that was not set to be accessible to the entire group (i.e., was only set to be accessible to a subset of that group).

Frequently asked questions

What is CVE-2021-28488?: Ericsson Network Manager (ENM) before 21.2 has incorrect access-control behavior (that only affects the level of access available to persons who were already granted a highly privileged role). Users in the same AMOS authorization group can retrieve managed-network data that was not set to be accessible to the entire group (i.e., was only set to be accessible to a subset of that group).
How severe is CVE-2021-28488?: CVE-2021-28488 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 high, integrity none, and availability none.
Is CVE-2021-28488 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28488?: CVE-2021-28488 affects Ericsson Network Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28488?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-28488 published?: CVE-2021-28488 was published on 2022-03-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ericsson:network_manager:*:*:*:*:*:*:*:*

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