CVE-2021-39244

HIGH
8.8
CVSS Score
Published: August 23, 2021 at 04:26 AM UTC
Updated: June 17, 2026 at 04:03 AM UTC
30 products affected across 1 vendorNexto NX5110 FirmwareNexto NX5101 FirmwareNexto NX5100 Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 3%

Description

Authenticated Semi-Blind Command Injection (via Parameter Injection) exists on Altus Nexto, Nexto Xpress, and Hadron Xtorm devices via the getlogs.cgi tcpdump feature. This affects Nexto NX3003 1.8.11.0, Nexto NX3004 1.8.11.0, Nexto NX3005 1.8.11.0, Nexto NX3010 1.8.3.0, Nexto NX3020 1.8.3.0, Nexto NX3030 1.8.3.0, Nexto NX5100 1.8.11.0, Nexto NX5101 1.8.11.0, Nexto NX5110 1.1.2.8, Nexto NX5210 1.1.2.8, Nexto Xpress XP300 1.8.11.0, Nexto Xpress XP315 1.8.11.0, Nexto Xpress XP325 1.8.11.0, Nexto Xpress XP340 1.8.11.0, and Hadron Xtorm HX3040 1.7.58.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

altus-hadron-xtorm-hx3040 (same device)
altus-nexto-nx3003 (same device)
altus-nexto-nx3004 (same device)
altus-nexto-nx3005 (same device)
altus-nexto-nx3010 (same device)
altus-nexto-nx3020 (same device)
altus-nexto-nx3030 (same device)
altus-nexto-nx5100 (same device)
altus-nexto-nx5101 (same device)
altus-nexto-nx5110 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCExploitMailing ListThird Party Advisory
https://seclists.org/fulldisclosure/2021/Aug/21
x_refsource_MISCVendor Advisory
https://www.altus.com.br/

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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