VulnerabilityModified
CVE-2022-4608
A vulnerability exists in HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product.
HIGH 7.5EPSS 0.71%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability exists in HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-3. After session resumption interval is expired an RTU500 initiated update of session parameters causes an unexpected restart due to a stack overflow.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.71% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- hitachienergy/rtu500 firmware
- Source
- cybersecurity@hitachienergy.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.