How severe is CVE-2016-0921?

CVE-2016-0921 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-0921 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-0921?

CVE-2016-0921 affects Emc Avamar Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-0921?

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

When was CVE-2016-0921 published?

CVE-2016-0921 was published on 2016-09-21 and last updated on 2026-06-17.

CVE-2016-0921

CVE-2016-0921 is a medium-severity vulnerability in Emc Avamar Server 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-264.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.9
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Emc Avamar Server
Published: 2016-09-21
Last modified: 2026-06-17

Description

Avamar Data Store (ADS) and Avamar Virtual Edition (AVE) in EMC Avamar Server before 7.3.0-233 use weak permissions for unspecified directories, which allows local users to obtain root access by replacing a script with a Trojan horse program.

Frequently asked questions

What is CVE-2016-0921?: Avamar Data Store (ADS) and Avamar Virtual Edition (AVE) in EMC Avamar Server before 7.3.0-233 use weak permissions for unspecified directories, which allows local users to obtain root access by replacing a script with a Trojan horse program.
How severe is CVE-2016-0921?: CVE-2016-0921 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-0921 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-0921?: CVE-2016-0921 affects Emc Avamar Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-0921?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-0921 published?: CVE-2016-0921 was published on 2016-09-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:emc:avamar_server:*:*:*:*:*:*:*:*

More vulnerabilities in Emc Avamar Server

CVE-2017-15548 — Critical (CVSS 9.8): An issue was discovered in EMC Avamar Server 7.1.x, 7.2.x, 7.3.x, 7.4.x, 7.5.0; EMC NetWorker Virtual Edition (NVE)…
CVE-2017-4990 — Critical (CVSS 9.8): In EMC Avamar Server Software 7.4.1-58, 7.4.0-242, 7.3.1-125, 7.3.0-233, 7.3.0-226, an unauthorized attacker may…
CVE-2017-4989 — Critical (CVSS 9.8): In EMC Avamar Server Software 7.3.1-125, 7.3.0-233, 7.3.0-226, 7.2.1-32, 7.2.1-31, 7.2.0-401, an unauthenticated remote…
CVE-2016-0903 — Critical (CVSS 9.1): Avamar Data Store (ADS) and Avamar Virtual Edition (AVE) in EMC Avamar Server before 7.3.0-233 rely on client-side…
CVE-2013-3274 — Critical (CVSS 9.0): EMC Avamar Server and Avamar Virtual Edition before 7.0 on Data Store Gen3, Gen4, and Gen4s platforms do not properly…
CVE-2017-15550 — High (CVSS 8.8): An issue was discovered in EMC Avamar Server 7.1.x, 7.2.x, 7.3.x, 7.4.x, 7.5.0; EMC NetWorker Virtual Edition (NVE)…

All CVEs affecting Emc Avamar Server →

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities

CVE-2016-8363 — Critical (CVSS 10.0): An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232…
CVE-2016-7457 — Critical (CVSS 10.0): VMware vRealize Operations (aka vROps) 6.x before 6.4.0 allows remote authenticated users to gain privileges, or halt…
CVE-2015-7425 — Critical (CVSS 10.0): The Data Protection component in the VMware vSphere GUI in IBM Tivoli Storage Manager for Virtual Environments: Data…
CVE-2015-8267 — Critical (CVSS 10.0): The PasswordReset.Controllers.ResetController.ChangePasswordIndex method in PasswordReset.dll in Dovestones AD Self…
CVE-2015-7919 — Critical (CVSS 10.0): SearchBlox 8.3 before 8.3.1 allows remote attackers to write to the config file, and consequently cause a denial of…
CVE-2015-7071 — Critical (CVSS 10.0): The File Bookmark component in Apple OS X before 10.11.2 allows attackers to bypass a sandbox protection mechanism for…

Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →