CVE-2021-43774

Exp

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.

Published: 2022-03-03 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2021-43774 is rated Exploit Available (51.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.68%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2021-43774

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2021-43774

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.23% 0.68% +0.45%
2 2025-04-23 0.06% 0.23% +0.17%
3 2025-03-17 — 0.06% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-43774

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.9 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 1.2 3.6 [email protected]
3.5 2.0 LOW
AV:N/AC:M/Au:S/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 6.8 2.9 [email protected]

Weakness enumeration for CVE-2021-43774

Affected software / configurations for CVE-2021-43774

Vendor Product Version Raw CPE
fujifilm apeosport-iv_7080_firmware — cpe:2.3:o:fujifilm:apeosport-iv_7080_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_6080_firmware — cpe:2.3:o:fujifilm:apeosport-iv_6080_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_5080_firmware — cpe:2.3:o:fujifilm:apeosport-iv_5080_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_3065_firmware < 1.160.5 cpe:2.3:o:fujifilm:apeosport-iv_3065_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-iv_3060_firmware < 1.160.5 cpe:2.3:o:fujifilm:apeosport-iv_3060_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-iv_2060_firmware < 1.160.5 cpe:2.3:o:fujifilm:apeosport-iv_2060_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-iv_5070_firmware < 1.140.5 cpe:2.3:o:fujifilm:apeosport-iv_5070_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-iv_4070_firmware < 1.140.5 cpe:2.3:o:fujifilm:apeosport-iv_4070_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-iv_3070_firmware < 1.140.5 cpe:2.3:o:fujifilm:apeosport-iv_3070_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-iv_c4430_firmware < 1.772.4 cpe:2.3:o:fujifilm:apeosport-iv_c4430_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-iv_c5570_firmware — cpe:2.3:o:fujifilm:apeosport-iv_c5570_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_c4470_firmware — cpe:2.3:o:fujifilm:apeosport-iv_c4470_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_c3370_firmware — cpe:2.3:o:fujifilm:apeosport-iv_c3370_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_c2270_firmware — cpe:2.3:o:fujifilm:apeosport-iv_c2270_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_c5575_firmware — cpe:2.3:o:fujifilm:apeosport-iv_c5575_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_c4475_firmware — cpe:2.3:o:fujifilm:apeosport-iv_c4475_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_c3375_firmware — cpe:2.3:o:fujifilm:apeosport-iv_c3375_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_c2275_firmware — cpe:2.3:o:fujifilm:apeosport-iv_c2275_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_c7780_firmware — cpe:2.3:o:fujifilm:apeosport-iv_c7780_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_c6680_firmware — cpe:2.3:o:fujifilm:apeosport-iv_c6680_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-iv_c5580_firmware — cpe:2.3:o:fujifilm:apeosport-iv_c5580_firmware:-:*:*:*:*:*:*:*
fujifilm apeosport-v_4020_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_4020_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_4070_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_4070_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_5070_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_5070_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c3320_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_c3320_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c5585_firmware < 1.60.0 cpe:2.3:o:fujifilm:apeosport-v_c5585_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c6685_firmware < 1.60.0 cpe:2.3:o:fujifilm:apeosport-v_c6685_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c7785_firmware < 1.60.0 cpe:2.3:o:fujifilm:apeosport-v_c7785_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c7775_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_c7775_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c6675_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_c6675_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c5575_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_c5575_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c4475_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_c4475_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c3375_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_c3375_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c2275_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_c2275_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c7775_t2_firmware < 2.60.0 cpe:2.3:o:fujifilm:apeosport-v_c7775_t2_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c6675_t2_firmware < 2.60.0 cpe:2.3:o:fujifilm:apeosport-v_c6675_t2_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c5575_t2_firmware < 2.60.0 cpe:2.3:o:fujifilm:apeosport-v_c5575_t2_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c4475_t2_firmware < 2.60.0 cpe:2.3:o:fujifilm:apeosport-v_c4475_t2_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c3375_t2_firmware < 2.60.0 cpe:2.3:o:fujifilm:apeosport-v_c3375_t2_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c3373_t2_firmware < 2.60.0 cpe:2.3:o:fujifilm:apeosport-v_c3373_t2_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c2275_t2_firmware < 2.60.0 cpe:2.3:o:fujifilm:apeosport-v_c2275_t2_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c7776_firmware < 1.60.0 cpe:2.3:o:fujifilm:apeosport-v_c7776_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c6676_firmware < 1.60.0 cpe:2.3:o:fujifilm:apeosport-v_c6676_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c5576_firmware < 1.60.0 cpe:2.3:o:fujifilm:apeosport-v_c5576_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c4476_firmware < 1.60.0 cpe:2.3:o:fujifilm:apeosport-v_c4476_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c3376_firmware < 1.60.0 cpe:2.3:o:fujifilm:apeosport-v_c3376_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c2276_firmware < 1.60.0 cpe:2.3:o:fujifilm:apeosport-v_c2276_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c7780_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_c7780_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c6680_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_c6680_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c5580_firmware < 1.57.2 cpe:2.3:o:fujifilm:apeosport-v_c5580_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c7780_t2_firmware < 2.60.0 cpe:2.3:o:fujifilm:apeosport-v_c7780_t2_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c6680_t2_firmware < 2.60.0 cpe:2.3:o:fujifilm:apeosport-v_c6680_t2_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-v_c5580_t2_firmware < 2.60.0 cpe:2.3:o:fujifilm:apeosport-v_c5580_t2_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vi_c7771_firmware < 1.60.4 cpe:2.3:o:fujifilm:apeosport-vi_c7771_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vi_c6671_firmware < 1.60.4 cpe:2.3:o:fujifilm:apeosport-vi_c6671_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vi_c5571_firmware < 1.60.4 cpe:2.3:o:fujifilm:apeosport-vi_c5571_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vi_c4471_firmware < 1.60.4 cpe:2.3:o:fujifilm:apeosport-vi_c4471_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vi_c3371_firmware < 1.60.4 cpe:2.3:o:fujifilm:apeosport-vi_c3371_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vi_c3370_firmware < 1.60.4 cpe:2.3:o:fujifilm:apeosport-vi_c3370_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vi_c2271_firmware < 1.60.4 cpe:2.3:o:fujifilm:apeosport-vi_c2271_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vii_c7773_firmware < 1.60.5 cpe:2.3:o:fujifilm:apeosport-vii_c7773_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vii_c6673_firmware < 1.60.5 cpe:2.3:o:fujifilm:apeosport-vii_c6673_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vii_c5573_firmware < 1.60.5 cpe:2.3:o:fujifilm:apeosport-vii_c5573_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vii_c4473_firmware < 1.60.5 cpe:2.3:o:fujifilm:apeosport-vii_c4473_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vii_c3373_firmware < 1.60.5 cpe:2.3:o:fujifilm:apeosport-vii_c3373_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vii_c3372_firmware < 1.60.5 cpe:2.3:o:fujifilm:apeosport-vii_c3372_firmware:*:*:*:*:*:*:*:*
fujifilm apeosport-vii_c2273_firmware < 1.60.5 cpe:2.3:o:fujifilm:apeosport-vii_c2273_firmware:*:*:*:*:*:*:*:*
fujifilm docucentre-iv_3060_firmware < 1.140.5 cpe:2.3:o:fujifilm:docucentre-iv_3060_firmware:*:*:*:*:*:*:*:*
fujifilm docucentre-iv_2060_firmware < 1.140.5 cpe:2.3:o:fujifilm:docucentre-iv_2060_firmware:*:*:*:*:*:*:*:*
fujifilm docucentre-iv_5070_firmware < 1.140.5 cpe:2.3:o:fujifilm:docucentre-iv_5070_firmware:*:*:*:*:*:*:*:*
fujifilm docucentre-iv_4070_firmware < 1.140.5 cpe:2.3:o:fujifilm:docucentre-iv_4070_firmware:*:*:*:*:*:*:*:*
fujifilm docucentre-iv_7080_firmware — cpe:2.3:o:fujifilm:docucentre-iv_7080_firmware:-:*:*:*:*:*:*:*
fujifilm docucentre-iv_6080_firmware — cpe:2.3:o:fujifilm:docucentre-iv_6080_firmware:-:*:*:*:*:*:*:*
fujifilm docucentre-iv_5080_firmware — cpe:2.3:o:fujifilm:docucentre-iv_5080_firmware:-:*:*:*:*:*:*:*
fujifilm docucentre-iv_c2260_firmware — cpe:2.3:o:fujifilm:docucentre-iv_c2260_firmware:-:*:*:*:*:*:*:*
fujifilm docucentre-iv_c2263_firmware < 1.57.2 cpe:2.3:o:fujifilm:docucentre-iv_c2263_firmware:*:*:*:*:*:*:*:*
fujifilm docucentre-iv_c2265_firmware < 1.57.2 cpe:2.3:o:fujifilm:docucentre-iv_c2265_firmware:*:*:*:*:*:*:*:*
fujifilm docucentre-iv_c4430_firmware < 1.772.4 cpe:2.3:o:fujifilm:docucentre-iv_c4430_firmware:*:*:*:*:*:*:*:*
fujifilm docucentre-iv_c5570_firmware — cpe:2.3:o:fujifilm:docucentre-iv_c5570_firmware:-:*:*:*:*:*:*:*
fujifilm docucentre-iv_c4470_firmware — cpe:2.3:o:fujifilm:docucentre-iv_c4470_firmware:-:*:*:*:*:*:*:*

References for CVE-2021-43774

cvelogic Threat Intelligence