6.9

CVE-2024-11499: hitachi energy rtu500 NULL Pointer Dereference

CVSS: 6.9v4.0MediumDeferred
Published 25-03-2025Last modified 25-03-2025
Open JSON

Vulnerability summary

CVE-2024-11499 is a medium (CVSS 6.9) NULL Pointer Dereference vulnerability in hitachi energy rtu500. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.3% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.9/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.25%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-03-2025
    PublishedVulnerability first disclosed.
  2. 25-03-2025
    Last modifiedVulnerability information updated.

Description

A vulnerability exists in RTU500 IEC 60870-4-104 controlled station functionality, that allows an authenticated and authorized attacker to perform a CMU restart. The vulnerability can be triggered if certificates are updated while in use on active connections. The affected CMU will automatically recover itself if an attacker successfully exploits this vulnerability.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

+0.01 pp

From 0.24% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Hitachi energy1 product
  • rtu500≥ 13.4.1, ≤ 13.4.4 | ≥ 13.5.1, ≤ 13.5.3 | 13.5.3 | 13.6.1 | 13.7.1

1 vendor · 1 product

References

1 links