Denial of service in SEIKO EPSON printers
| Risk | Medium |
| Patch available | NO |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-38556 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
EP-801A Hardware solutions / Office equipment, IP-phones, print servers EP-802A Hardware solutions / Office equipment, IP-phones, print servers EP-901A Hardware solutions / Office equipment, IP-phones, print servers EP-901F Hardware solutions / Office equipment, IP-phones, print servers EP-902A Hardware solutions / Office equipment, IP-phones, print servers PA-TCU1 Hardware solutions / Office equipment, IP-phones, print servers PM-T960 Hardware solutions / Office equipment, IP-phones, print servers PM-T990 Hardware solutions / Office equipment, IP-phones, print servers PX-201 Hardware solutions / Office equipment, IP-phones, print servers PX-502A Hardware solutions / Office equipment, IP-phones, print servers PX-601F Hardware solutions / Office equipment, IP-phones, print servers PX-602F Hardware solutions / Office equipment, IP-phones, print servers |
| Vendor | Seiko Epson Corporation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU78879
Risk: Medium
CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]
CVE-ID: CVE-2023-38556
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the Web Config. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsEP-801A: All versions
EP-802A: All versions
EP-901A: All versions
EP-901F: All versions
EP-902A: All versions
PA-TCU1: All versions
PM-T960: All versions
PM-T990: All versions
PX-201: All versions
PX-502A: All versions
PX-601F: All versions
PX-602F: All versions
CPE2.3- cpe:2.3:h:seiko_epson_corporation:ep-801a:*:*:*:*:*:*:*:
- cpe:2.3:h:seiko_epson_corporation:ep-802a:*:*:*:*:*:*:*:
- cpe:2.3:h:seiko_epson_corporation:ep-901a:*:*:*:*:*:*:*:
- cpe:2.3:h:seiko_epson_corporation:ep-901f:*:*:*:*:*:*:*:
- cpe:2.3:h:seiko_epson_corporation:ep-902a:*:*:*:*:*:*:*:
- cpe:2.3:h:seiko_epson_corporation:pa-tcu1:*:*:*:*:*:*:*:
- cpe:2.3:h:seiko_epson_corporation:pm-t960:*:*:*:*:*:*:*:
- cpe:2.3:h:seiko_epson_corporation:pm-t990:*:*:*:*:*:*:*:
- cpe:2.3:h:seiko_epson_corporation:px-201:*:*:*:*:*:*:*:
- cpe:2.3:h:seiko_epson_corporation:px-502a:*:*:*:*:*:*:*:
- cpe:2.3:h:seiko_epson_corporation:px-601f:*:*:*:*:*:*:*:
- cpe:2.3:h:seiko_epson_corporation:px-602f:*:*:*:*:*:*:*:
http://jvn.jp/en/jp/JVN61337171/index.html
http://www.epson.jp/support/misc_t/230802_oshirase.htm
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.
