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Known exploited vulnerability

CVE-2021-36380

criticalCVSS 3.1 9.8In CISA KEVEPSS 98%Published · n/a

The short answer

CVE-2021-36380 affects n/a n/a and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2024-03-05: attackers are using it, so patch it first.

What it is

Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell metacharacters in ipAddr or dnsAddr /cgi/networkDiag.cgi.

Weakness: CWE-78.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Mar 5, 2024

Federal due date Mar 26, 2024

EPSS, next 30 days

98%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected products

n/a, sureline. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2021-36380 being exploited?

Yes. CISA added CVE-2021-36380 to its Known Exploited Vulnerabilities catalog on 2024-03-05, with a federal remediation due date of 2024-03-26.

How do I fix CVE-2021-36380?

CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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