How severe is CVE-2019-3721?

CVE-2019-3721 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-3721 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3721?

CVE-2019-3721 affects Dell Emc Openmanage Server Administrator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3721?

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-2019-3721 published?

CVE-2019-3721 was published on 2019-04-25 and last updated on 2026-06-17.

CVE-2019-3721

CVE-2019-3721 is a high-severity vulnerability in Dell Emc Openmanage Server Administrator with a CVSS 3.x base score of 7.5. 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Dell Emc Openmanage Server Administrator
Published: 2019-04-25
Last modified: 2026-06-17

Description

Dell EMC Open Manage System Administrator (OMSA) versions prior to 9.3.0 contain an Improper Range Header Processing Vulnerability. A remote unauthenticated attacker may send crafted requests with overlapping ranges to cause the application to compress each of the requested bytes, resulting in a crash due to excessive memory consumption and preventing users from accessing the system.

Frequently asked questions

What is CVE-2019-3721?: Dell EMC Open Manage System Administrator (OMSA) versions prior to 9.3.0 contain an Improper Range Header Processing Vulnerability. A remote unauthenticated attacker may send crafted requests with overlapping ranges to cause the application to compress each of the requested bytes, resulting in a crash due to excessive memory consumption and preventing users from accessing the system.
How severe is CVE-2019-3721?: CVE-2019-3721 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-3721 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3721?: CVE-2019-3721 affects Dell Emc Openmanage Server Administrator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3721?: 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-2019-3721 published?: CVE-2019-3721 was published on 2019-04-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dell:emc_openmanage_server_administrator:*:*:*:*:*:*:*:*

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