EUVD-2026-21988Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:M/U:Amber
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:M/U:Amber
Lifecycle Timeline
6DescriptionCVE.org
Improper Neutralization of Special Elements used in an OS Command vulnerability allows OS Command Injection via Network Report. This issue affects Pandora FMS: from 777 through 800
AnalysisAI
OS command injection in Pandora FMS versions 777 through 800 allows authenticated remote attackers to execute arbitrary system commands via the Network Report functionality. The vulnerability stems from improper input sanitization of special elements used in OS commands. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Pandora FMS versions 777–800 with Network Report feature enabled. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk assessment reveals a critical vulnerability with high exploitability but requiring authenticated access. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An authenticated attacker with low-privilege credentials to a Pandora FMS monitoring console navigates to the Network Report functionality and crafts a malicious report parameter containing OS command injection payloads such as semicolons or pipe characters followed by system commands. When the application processes this report request, it fails to sanitize the input and executes the injected commands with the privileges of the Pandora FMS process, typically the web server user or a dedicated monitoring service account. … |
| Remediation | Organizations running Pandora FMS versions 777-800 should immediately consult the vendor security advisory at https://pandorafms.com/en/security/common-vulnerabilities-and-exposures/ for patch availability and upgrade instructions. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all Pandora FMS instances and identify those running versions 777-800; restrict Network Report access via firewall/WAF rules to trusted administrators only. …
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