High severity · published Feb 15, 2021
CVE-2021-21511
Dell EMC Avamar Server, versions 19.3 and 19.4 contain an Improper Authorization vulnerability in the web UI
8.1
CVSS
1%
EPSS
No
On KEV
Description
Dell EMC Avamar Server, versions 19.3 and 19.4 contain an Improper Authorization vulnerability in the web UI. A remote low privileged attacker could potentially exploit this vulnerability, to gain unauthorized read or modification access to other users' backup data.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AV
Avamar · Dell
19.3, 19.4 · source: vendor
EA
Emc Avamar Server · Dell
19.3; 19.4 · source: NVD
EI
Emc Integrated Data Protection Appliance · Dell
2.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-21511
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-21511
Vendor Advisory
https://www.dell.com/support/kbdoc/en-us/000182926/dsa-2021-033-dell-emc-avamar-server-improper-authorization-vulnerability
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