Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-43774

Severity CVSS v4.0:
Pending analysis
Type:
CWE-327 Use of a Broken or Risky Cryptographic Algorithm
Publication date:
03/03/2022
Last modified:
13/05/2022

Description

A risky-algorithm issue was discovered on Fujifilm DocuCentre-VI C4471 1.8 devices. An attacker that obtained access to the administrative web interface of a printer (e.g., by using the default credentials) can download the address book file, which contains the list of users (domain users, FTP users, etc.) stored on the printer, together with their encrypted passwords. The passwords are protected by a weak cipher, such as ROT13, which requires minimal effort to instantly retrieve the original password, giving the attacker a list of valid domain or FTP usernames and passwords.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
4.90
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:S/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.50 LOW
Vector: AV:N/AC:M/Au:S/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
3.50
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:fujifilm:apeosport-iv_7080_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:fujifilm:apeosport-iv_7080:-:*:*:*:*:*:*:*
cpe:2.3:o:fujifilm:apeosport-iv_6080_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:fujifilm:apeosport-iv_6080:-:*:*:*:*:*:*:*
cpe:2.3:o:fujifilm:apeosport-iv_5080_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:fujifilm:apeosport-iv_5080:-:*:*:*:*:*:*:*
cpe:2.3:o:fujifilm:apeosport-iv_3065_firmware:*:*:*:*:*:*:*:* 1.160.5 (excluding)
cpe:2.3:h:fujifilm:apeosport-iv_3065:-:*:*:*:*:*:*:*
cpe:2.3:o:fujifilm:apeosport-iv_3060_firmware:*:*:*:*:*:*:*:* 1.160.5 (excluding)
cpe:2.3:h:fujifilm:apeosport-iv_3060:-:*:*:*:*:*:*:*
cpe:2.3:o:fujifilm:apeosport-iv_2060_firmware:*:*:*:*:*:*:*:* 1.160.5 (excluding)
cpe:2.3:h:fujifilm:apeosport-iv_2060:-:*:*:*:*:*:*:*
cpe:2.3:o:fujifilm:apeosport-iv_5070_firmware:*:*:*:*:*:*:*:* 1.140.5 (excluding)
cpe:2.3:h:fujifilm:apeosport-iv_5070:-:*:*:*:*:*:*:*
cpe:2.3:o:fujifilm:apeosport-iv_4070_firmware:*:*:*:*:*:*:*:* 1.140.5 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools