CVE-2021-35028
High
Published: 29 September 2021
Published
29 September 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1
7.3
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
EPSS Score
0.0012
31.2th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-35028 is a high-severity OS Command Injection (CWE-78) vulnerability in Zyxel Zywall Vpn2S Firmware. Its CVSS base score is 7.3 (High).
Operationally, ranked at the 31.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-21675
Vulnerability details
A command injection vulnerability in the CGI program of the Zyxel VPN2S firmware version 1.12 could allow an authenticated, local user to execute arbitrary OS commands.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
zyxel
zywall vpn2s firmware
1.12\(abln.0\)c0
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.