CyberSecBulletin
CVE-2023-22315NVD status: Modified

Wattbox WB-300-IP-3: Insufficient Verification of Data Authenticity

CVE-2023-22315 is a high-severity insufficient verification of data authenticity vulnerability in Wattbox WB-300-IP-3 from Snap One, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected Wattbox WB-300-IP-3 versions: WB10.9a17 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.12% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of Wattbox WB-300-IP-3 you run against the affected versions below, and install the vendor's latest release.

Affected products and versions

VendorProductAffected versionsFixed in
Snap OneWattbox WB-300-IP-3WB10.9a17 and earlierNot stated
SnapavWattbox Wb-300-ip-3 Firmwarewb10.9a17 and earlierNot stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
LocalThe attacker needs local access or must trick a user into running something.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.16.7MediumCNA (hq.dhs.gov)
CVSS 3.17.8HighNVD

Official description

Snap One Wattbox WB-300-IP-3 versions WB10.9a17 and prior use a proprietary local area network (LAN) protocol that does not verify updates to the device. An attacker could upload a malformed update file to the device and execute arbitrary code.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Insufficient Verification of Data Authenticity

The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

More Insufficient Verification of Data Authenticity vulnerabilities (CWE-345)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Third-party and government advisories

Other vulnerabilities in Wattbox WB-300-IP-3

All Wattbox WB-300-IP-3 vulnerabilities

Recent Insufficient Verification of Data Authenticity vulnerabilities

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