Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2022-40267 |
CWE-ID | CWE-337 |
Exploitation vector | Network |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
MELSEC iQ-F FX5U Hardware solutions / Routers & switches, VoIP, GSM, etc MELSEC iQ-F FX5UC Hardware solutions / Routers & switches, VoIP, GSM, etc MELSEC iQ-F FX5UC-32MT/DS-TS Hardware solutions / Routers & switches, VoIP, GSM, etc MELSEC iQ-F FX5UC-32MT/DSS-TS Hardware solutions / Routers & switches, VoIP, GSM, etc MELSEC iQ-F FX5UC-32MR/DS-TS Hardware solutions / Routers & switches, VoIP, GSM, etc MELSEC iQ-R 00 CPU Hardware solutions / Firmware MELSEC iQ-R 01 CPU Hardware solutions / Firmware MELSEC iQ-R 02 CPU Hardware solutions / Firmware MELSEC iQ-R 04 (EN) CPU Hardware solutions / Firmware MELSEC iQ-R 08 (EN) CPU Hardware solutions / Firmware MELSEC iQ-R 16 (EN) CPU Hardware solutions / Firmware MELSEC iQ-R 32 (EN) CPU Hardware solutions / Firmware MELSEC iQ-R 120 (EN) CPU Hardware solutions / Firmware |
Vendor | Mitsubishi Electric |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU71302
Risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2022-40267
CWE-ID:
CWE-337 - Predictable Seed in Pseudo-Random Number Generator (PRNG)
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to compromise the system.
The vulnerability exists due to predictable seed in the pseudo-random number generator within the WEB server function. A remote attacker can bypass authorization on the target system.
This vulnerability affects the following products:
Install updates from vendor's website.
Vulnerable software versionsMELSEC iQ-F FX5U: 1.074 - 1.280
MELSEC iQ-F FX5UC: 1.074 - 1.280
MELSEC iQ-F FX5UC-32MT/DS-TS: 1.280
MELSEC iQ-F FX5UC-32MT/DSS-TS: 1.280
MELSEC iQ-F FX5UC-32MR/DS-TS: 1.280
MELSEC iQ-R 00 CPU: All versions
MELSEC iQ-R 01 CPU: All versions
MELSEC iQ-R 02 CPU: All versions
MELSEC iQ-R 04 (EN) CPU: All versions
MELSEC iQ-R 08 (EN) CPU: All versions
MELSEC iQ-R 16 (EN) CPU: All versions
MELSEC iQ-R 32 (EN) CPU: All versions
MELSEC iQ-R 120 (EN) CPU: All versions
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-23-017-02
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.