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CVE-2020-24719

CRITICAL
9.8
CVSS Score
Published: November 12, 2020 at 08:31 PM UTC
Updated: June 17, 2026 at 03:06 AM UTC
1 product affected across 1 vendorCouchbase Server

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Severity
CRITICAL9.8
Exploit prediction
EPSS 23%

Description

Exposed Erlang Cookie could lead to Remote Command Execution (RCE) attack. Communication between Erlang nodes is done by exchanging a shared secret (aka "magic cookie"). There are cases where the magic cookie is included in the content of the logs. An attacker can use the cookie to attach to an Erlang node and run OS level commands on the system running the Erlang node. Affects version: 6.5.1. Fix version: 6.6.0.

Affected

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

Couchbase Server· Couchbase
95%
6.5.1 ≤ v < 6.6.0
Affected range stops below 6.6.0, 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:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.couchbase.com/resources/security#VulnerabilityReporting

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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