CVE-2021-46143
HighPublic PoC
Published: 06 January 2022
Published
06 January 2022
Modified
05 May 2025
KEV Added
—
Patch
17 January 2022
CVSS Score v3.1
8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0408
88.8th percentile
Risk Priority
19
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-46143 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Netapp Hci Baseboard Management Controller. Its CVSS base score is 8.1 (High).
Operationally, ranked in the top 11.2% 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-2021-32843
Vulnerability details
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
- 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
netapp
active iq unified manager
all versions
netapp
clustered data ontap
all versions
netapp
hci baseboard management controller
h610c, h610s, h615c
netapp
oncommand workflow automation
all versions
netapp
solidfire \& hci management node
all versions
tenable
nessus
≤ 8.15.3 · 10.0.0 — 10.1.1
siemens
sinema remote connect server
≤ 3.1
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.