CVE-2021-40345
HIGHCVSS 7.2/10EPSS 23.04%
Last modified
CVE-2021-40345 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. EPSS estimates a 23.04% chance of exploitation in the next 30 days.
Description
An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. A command injection (within the name of the first file in the archive) allows an attacker to execute system commands.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nagios | Nagios Xi | 5.8.5 |
References
- https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXTRelease Notes, Vendor Advisory
- https://github.com/ArianeBlow/NagiosXI-EmersonFI/blob/main/README.mdExploit, Third Party Advisory
- https://synacktiv.comNot Applicable
- https://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdfExploit, Third Party Advisory
- https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXTRelease Notes, Vendor Advisory
- https://github.com/ArianeBlow/NagiosXI-EmersonFI/blob/main/README.mdExploit, Third Party Advisory
- https://synacktiv.comNot Applicable
- https://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdfExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-40345?
An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. A command injection (within the name of the first file in the archive) allows an attacker to execute system commands.
How severe is CVE-2021-40345?
CVE-2021-40345 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 23.04% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40345?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-40345?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST