CVE-2021-45960
HighPublic PoC
Published: 01 January 2022
Published
01 January 2022
Modified
05 May 2025
KEV Added
—
Patch
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CVSS Score v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0031
54.4th percentile
Risk Priority
18
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-45960 is a high-severity Incorrect Calculation (CWE-682) vulnerability in Netapp Hci Baseboard Management Controller. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 45.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-32666
Vulnerability details
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
libexpat project
libexpat
≤ 2.4.3
tenable
nessus
≤ 8.15.3 · 10.0.0 — 10.1.1
debian
debian linux
10.0, 11.0
siemens
sinema remote connect server
≤ 3.1
netapp
active iq unified manager
all versions
netapp
hci baseboard management controller
h610c, h610s, h615c
netapp
oncommand workflow automation
all versions
netapp
solidfire \& hci management node
all versions
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.