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CVE-2022-23703

7.5 HIGH

📋 TL;DR

This vulnerability allows attackers to intercept and modify network communications during software updates on HPE Nimble Storage arrays. This could enable man-in-the-middle attacks to deliver malicious updates. All HPE Nimble Storage Hybrid Flash Arrays, All Flash Arrays, and Secondary Flash Arrays running vulnerable NimbleOS versions are affected.

💻 Affected Systems

Products:
  • HPE Nimble Storage Hybrid Flash Arrays
  • HPE Nimble Storage All Flash Arrays
  • HPE Nimble Storage Secondary Flash Arrays
Versions: All NimbleOS versions before 5.0.10.100, 5.2.1.500, and 6.0.0.100
Operating Systems: NimbleOS
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists during software update process initiated by the Nimble appliance.

📦 What is this software?

Nimbleos by Hpe

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Nimbleos by Hpe

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Nimbleos by Hpe

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⚠️ Risk & Real-World Impact

🔴

Worst Case

Attacker delivers malicious firmware that compromises the entire storage array, potentially gaining persistent access to stored data and network infrastructure.

🟠

Likely Case

Attacker intercepts update traffic to deliver modified software that could disrupt operations, steal data, or create backdoors.

🟢

If Mitigated

With proper network segmentation and update verification, impact is limited to potential service disruption during update failures.

🌐 Internet-Facing: MEDIUM - Update traffic typically doesn't go directly to internet, but could be exposed through misconfigurations or VPN connections.
🏢 Internal Only: HIGH - Attackers with internal network access could intercept update communications between storage arrays and update servers.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires network access to intercept update communications and ability to modify traffic in transit.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: NimbleOS 5.0.10.100, 5.2.1.500, 6.0.0.100 and later

Vendor Advisory: https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst04268en_us

Restart Required: Yes

Instructions:

1. Log into Nimble array management interface. 2. Navigate to System > Software Update. 3. Download and install the patched NimbleOS version. 4. Reboot the array when prompted to complete the update.

🔧 Temporary Workarounds

Network Segmentation

all

Isolate storage array update traffic to dedicated, secured network segments

Update Verification

all

Manually verify update integrity before installation using checksums from HPE support portal

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can communicate with storage arrays during updates
  • Monitor network traffic for unauthorized update attempts or unusual update patterns

🔍 How to Verify

Check if Vulnerable:

Check NimbleOS version via array web interface or CLI: System > About or 'nimble --version'

Check Version:

ssh admin@array-ip 'show version' or check web interface System > About

Verify Fix Applied:

Verify NimbleOS version is 5.0.10.100, 5.2.1.500, 6.0.0.100 or later

📡 Detection & Monitoring

Log Indicators:

  • Failed update attempts from unexpected sources
  • Update processes initiating at unusual times
  • Update integrity check failures

Network Indicators:

  • Unusual network traffic patterns during update windows
  • Update traffic from unexpected IP addresses
  • Multiple update attempts in short timeframes

SIEM Query:

source="nimble-array" AND (event_type="update_failed" OR event_type="update_integrity_failure")

📊 Metadata

CVE ID: CVE-2022-23703
CVSS v3 Score: 7.5 (HIGH)
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published: April 12, 2022
Last Updated: November 21, 2024

🔗 References

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