CVE-2021-20035
CVSS v3
6.5
MEDIUM
EPSS Score
4.0 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
Improper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user which potentially leads to DoS.
CISA Known Exploited Vulnerability
- Date Added
- 2025-04-16
- Patch Due Date
- 2025-05-07
- Ransomware Use
- Unknown
Technical details
- Published
- 2021-09-27
Frequently asked questions
What is CVE-2021-20035?
Improper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user which potentially leads to DoS.
Is CVE-2021-20035 actively exploited?
Yes. CVE-2021-20035 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2025-05-07.
What is the CVSS score for CVE-2021-20035?
CVE-2021-20035 has a CVSS v3 base score of 6.5 (MEDIUM severity).
Is CVE-2021-20035 affecting your environment?
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