CyberSecBulletin
CVE-2024-28020NVD status: Modified

FOXMAN-UN: Incorrect User Management

CVE-2024-28020 is a high-severity incorrect user management vulnerability in FOXMAN-UN from Hitachi Energy, with a CVSS 3.1 base score of 8.0 out of 10. It can be exploited remotely over the network by an attacker with administrator privileges, without any action from a user. Affected FOXMAN-UN versions: FOXMAN-UN R16B; FOXMAN-UN R15B; FOXMAN-UN R16A, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.37% 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 FOXMAN-UN you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on publisher.hitachienergy.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
Hitachi EnergyFOXMAN-UNFOXMAN-UN R16B; FOXMAN-UN R15B; FOXMAN-UN R16A; FOXMAN-UN R15ANot stated
Hitachi EnergyUNEMUNEM R16B; UNEM R15B; UNEM R16A; UNEM R15ANot stated
Hitachienergyfoxman-unr16b; r15b; r15a; r16aNot stated
Hitachienergyunemr15b; r16b; r15a; r16aNot 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
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
HighSuccess depends on conditions outside the attacker's control.
Privileges required
HighAdministrator-level access is required first.
User interaction
NoneNo action by a victim is required.
Scope
ChangedThe attack can reach beyond the vulnerable component into other systems.
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:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.18.0HighCNA (hitachienergy.com)
CVSS 3.18.0HighNVD

Official description

A user/password reuse vulnerability exists in the FOXMAN-UN/UNEM application and server management. If exploited a malicious high-privileged user could use the passwords and login information through complex routines to extend access on the server and other services.

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

The underlying weakness: Incorrect User Management

The product does not properly manage a user within its environment.

More Incorrect User Management vulnerabilities (CWE-286)

Timeline

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

References

Other vulnerabilities in FOXMAN-UN

All FOXMAN-UN vulnerabilities

Recent Incorrect User Management vulnerabilities

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