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HIGH severity

CVE-2020-7010

HIGH

CVE-2020-7010 is a high-severity (CVSS 7.5) CWE-335 vulnerability in elastic elastic cloud on kubernetes. O3 Security detects and blocks CVE-2020-7010 exploitation at runtime via eBPF exploit-chain detection and L7 egress monitoring, even on unpatched systems.

Elastic Cloud on Kubernetes (ECK) versions prior to 1.1.0 generate passwords using a weak random number generator. If an attacker is able to determine when the current Elastic Stack…

Published
Jun 3, 2020
Updated
Jun 17, 2026
Affected
1 product
Patched
See advisory
Exploits
None indexed
Exploitation data as of Jun 17, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Description

Elastic Cloud on Kubernetes (ECK) versions prior to 1.1.0 generate passwords using a weak random number generator. If an attacker is able to determine when the current Elastic Stack cluster was deployed they may be able to more easily brute force the Elasticsearch credentials generated by ECK.

Affected Products

1 product · 1 configurations
Application
elastic cloud on kuberneteselastic
< 1.1.0
range

Detection & mitigation playbook

Vendor / appliance
  1. Detect

    Inventory every elastic elastic cloud on kubernetes deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for exploitation at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.

  2. Fix

    Apply the elastic elastic cloud on kubernetes security patch or hotfix for CVE-2020-7010 on the affected version, following the vendor advisory for your exact build.

  3. Workarounds

    Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.

  4. How O3 protects you

    O3 detects and blocks CVE-2020-7010 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.

Tailored to CVE-2020-7010. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Elastic Cloud on Kubernetes (ECK) versions prior to 1.1.0 generate passwords using a weak random number generator. If an attacker is able to determine when the current Elastic Stack cluster was deployed they may be able to more easily brute force the Elasticsearch credentials generated by ECK.
O3 Security · Runtime Protection

Is CVE-2020-7010 being exploited in your environment?

O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2020-7010 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.

CVE-2020-7010: Elastic Cloud On Kubernetes… | O3 Security