CVE-2018-12520

HIGH
8.1
CVSS Score
Published: July 5, 2018 at 08:00 PM UTC
Updated: June 17, 2026 at 01:37 AM UTC
1 product affected across 1 vendorNtopng

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Severity
HIGH8.1
Exploit prediction
EPSS 11%

Description

An issue was discovered in ntopng 3.4 before 3.4.180617. The PRNG involved in the generation of session IDs is not seeded at program startup. This results in deterministic session IDs being allocated for active user sessions. An attacker with foreknowledge of the operating system and standard library in use by the host running the service and the username of the user whose session they're targeting can abuse the deterministic random number generation in order to hijack the user's session, thus escalating their access.

Affected

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

3.4 ≤ v < 3.4.180617
Affected range stops below 3.4.180617, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

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

References (4)

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-335

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