How severe is CVE-2021-26912?

CVE-2021-26912 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-26912 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 41% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26912?

CVE-2021-26912 affects Netmotionsoftware Netmotion Mobility. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26912?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-26912 published?

CVE-2021-26912 was published on 2021-02-08 and last updated on 2026-06-17.

CVE-2021-26912

CVE-2021-26912 is a high-severity vulnerability in Netmotionsoftware Netmotion Mobility with a CVSS 3.x base score of 8.1. Its EPSS exploit-prediction score of 41% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 9.3
EPSS exploit prediction: 41% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Netmotionsoftware Netmotion Mobility
Published: 2021-02-08
Last modified: 2026-06-17

Description

NetMotion Mobility before 11.73 and 12.x before 12.02 allows unauthenticated remote attackers to execute arbitrary code as SYSTEM because of Java deserialization in SupportRpcServlet.

Frequently asked questions

What is CVE-2021-26912?: NetMotion Mobility before 11.73 and 12.x before 12.02 allows unauthenticated remote attackers to execute arbitrary code as SYSTEM because of Java deserialization in SupportRpcServlet.
How severe is CVE-2021-26912?: CVE-2021-26912 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-26912 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 41% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26912?: CVE-2021-26912 affects Netmotionsoftware Netmotion Mobility. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26912?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-26912 published?: CVE-2021-26912 was published on 2021-02-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:netmotionsoftware:netmotion_mobility:*:*:*:*:*:*:*:*

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