CVE-2021-35533
published 2021-11-26CVE-2021-35533: Improper Input Validation vulnerability in the APDU parser in the Bidirectional Communication Interface (BCI) IEC 60870-5-104 function of Hitachi Energy RTU500…
PriorityP342high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.95%
59.2th percentile
Improper Input Validation vulnerability in the APDU parser in the Bidirectional Communication Interface (BCI) IEC 60870-5-104 function of Hitachi Energy RTU500 series allows an attacker to cause the receiving RTU500 CMU of which the BCI is enabled to reboot when receiving a specially crafted message. By default, BCI IEC 60870-5-104 function is disabled (not configured). This issue affects: Hitachi Energy RTU500 series CMU Firmware version 12.0.* (all versions); CMU Firmware version 12.2.* (all versions); CMU Firmware version 12.4.* (all versions).
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| hitachi_energy | rtu500_series | CMU Firmware version 12.0 – 12.0.* | — |
| hitachi_energy | rtu500_series | CMU Firmware version 12.2 – 12.2.* | — |
| hitachi_energy | rtu500_series | CMU Firmware version 12.4 – 12.4.* | — |
| hitachienergy | rtu500_firmware | — | — |
| hitachienergy | rtu500_firmware | — | — |
| hitachienergy | rtu500_firmware | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.07.1HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
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CISA ICS
Hitachi Energy RTU500 series BCI
cisa_ics·2021-12-02·CVSS 7.5
[HIGH] Hitachi Energy RTU500 series BCI
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
Hitachi Energy RTU500 series BCI
Last RevisedDecember 02, 2021
Alert CodeICSA-21-336-04
## 1. EXECUTIVE SUMMARY
- CVSS v3 7.5
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Hitachi Energy
- Equipment: RTU500 series Bidirectional Communication Interface (BCI)
- Vulnerability: Improper Input Validation
## 2. RISK EVALUATION
Successful exploitation of this vulnerability could allow a remote attacker to reboot the device.
## 3. TECHNICAL DETAILS
## 3.1 AFFECTED PRODUCTS
The following firmware versions of RTU500 series, a remote terminal unit, are affected
GHSA
GHSA-wv2v-prmm-j684: Improper Input Validation vulnerability in the APDU parser in the Bidirectional Communication Interface (BCI) IEC 60870-5-104 function of Hitachi Ener
ghsa_unreviewed·2021-11-27
CVE-2021-35533 [HIGH] CWE-20 GHSA-wv2v-prmm-j684: Improper Input Validation vulnerability in the APDU parser in the Bidirectional Communication Interface (BCI) IEC 60870-5-104 function of Hitachi Ener
Improper Input Validation vulnerability in the APDU parser in the Bidirectional Communication Interface (BCI) IEC 60870-5-104 function of Hitachi Energy RTU500 series allows an attacker to cause the receiving RTU500 CMU of which the BCI is enabled to reboot when receiving a specially crafted message. By default, BCI IEC 60870-5-104 function is disabled (not configured). This issue affects: Hitachi Energy RTU500 series CMU Firmware version 12.0.* (all versions); CMU Firmware version 12.2.* (all versions); CMU Firmware version 12.4.* (all versions).
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-11-26
Published