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CVE-2021-21511

HIGHCVSS 8.1/10EPSS 1.01%

Last modified

CVE-2021-21511 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.1/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS Probability
1.01%

58.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DellEmc Avamar Server19.3
DellEmc Avamar Server19.4
DellEmc Integrated Data Protection Appliance2.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21511?
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.
How severe is CVE-2021-21511?
CVE-2021-21511 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21511?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21511?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST