How severe is CVE-2018-11066?

CVE-2018-11066 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-11066 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11066?

CVE-2018-11066 primarily affects Dell Emc Avamar. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11066?

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

When was CVE-2018-11066 published?

CVE-2018-11066 was published on 2018-11-26 and last updated on 2026-06-17.

CVE-2018-11066

CVE-2018-11066 is a critical-severity vulnerability in Dell Emc Avamar with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Dell Emc Avamar
Published: 2018-11-26
Last modified: 2026-06-17

Description

Dell EMC Avamar Client Manager in Dell EMC Avamar Server versions 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.4.0, 7.4.1, 7.5.0, 7.5.1, 18.1 and Dell EMC Integrated Data Protection Appliance (IDPA) versions 2.0, 2.1 and 2.2 contain a Remote Code Execution vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to execute arbitrary commands on the server.

Frequently asked questions

What is CVE-2018-11066?: Dell EMC Avamar Client Manager in Dell EMC Avamar Server versions 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.4.0, 7.4.1, 7.5.0, 7.5.1, 18.1 and Dell EMC Integrated Data Protection Appliance (IDPA) versions 2.0, 2.1 and 2.2 contain a Remote Code Execution vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to execute arbitrary commands on the server.
How severe is CVE-2018-11066?: CVE-2018-11066 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-11066 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11066?: CVE-2018-11066 primarily affects Dell Emc Avamar. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11066?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-11066 published?: CVE-2018-11066 was published on 2018-11-26 and last updated on 2026-06-17.

References

Affected products (31)

cpe:2.3:a:dell:emc_avamar:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_avamar:7.2.1:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_avamar:7.3.0:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_avamar:7.3.1:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_avamar:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_avamar:7.4.1:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_avamar:7.5.0:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_avamar:7.5.1:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_avamar:18.1:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_integrated_data_protection_appliance:2.0:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_integrated_data_protection_appliance:2.1:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_integrated_data_protection_appliance:2.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.4:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.6:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.7:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.8:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.4:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.6:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.7:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.8:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.9:*:*:*:*:*:*:*

More vulnerabilities in Dell Emc Avamar

CVE-2018-1217 — Critical (CVSS 9.8): Avamar Installation Manager in Dell EMC Avamar Server 7.3.1, 7.4.1, and 7.5.0, and Dell EMC Integrated Data Protection…
CVE-2018-11077 — Medium (CVSS 6.7): 'getlogs' utility in Dell EMC Avamar Server versions 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.4.0, 7.4.1, 7.5.0, 7.5.1 and 18.1…
CVE-2018-11076 — Medium (CVSS 6.5): Dell EMC Avamar Server versions 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.4.0 and 7.4.1 and Dell EMC Integrated Data Protection…
CVE-2018-11067 — Medium (CVSS 6.1): Dell EMC Avamar Client Manager in Dell EMC Avamar Server versions 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.4.0, 7.4.1, 7.5.0,…

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