Buffer overflow in NetApp Active Iq Unified Manager

CVE-2021-3517

There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.

Vulnerability class: Buffer Overflow

EPSS: 0.083 (94.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-3517?
CVE-2021-3517 is a high-severity vulnerability in NetApp Active Iq Unified Manager, classified under Out-of-bounds Write. CVSS score: 8.6/10. Published 2021-05-19.
How severe is CVE-2021-3517?
High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2021-3517 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.