CVE-2022-4098 | Wiesemann & Theis: Multiple products prone to missing authentication through spoofing

Multiple Wiesemann&Theis products of the ComServer Series are prone to an authentication bypass through IP spoofing. After a user logged in to the WBM of the Com-Server an unauthenticated attacker in the same subnet can obtain the session ID and through IP spoofing change arbitrary settings by crafting modified HTTP Get requests. This may result in a complete takeover of the device.

Published: 2022-12-13 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-4098 is rated Moderate Risk (45.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.16%). Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2022-4098

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 2026-01-22 0.09% 0.16% +0.07%
2 2025-12-24 0.04% 0.09% +0.05%
3 2025-11-21 — 0.04% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-4098

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.0 3.1 HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:A)
Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
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:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
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:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.1 5.9 [email protected]
8.0 3.1 HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:A)
Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
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:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
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:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.1 5.9 [email protected]

Weakness enumeration for CVE-2022-4098

Affected software / configurations for CVE-2022-4098

Vendor Product Version Raw CPE
wut com-server_\+\+_firmware < 1.55 cpe:2.3:o:wut:com-server_\+\+_firmware:*:*:*:*:*:*:*:*
wut com-server_20ma_firmware < 1.55 cpe:2.3:o:wut:com-server_20ma_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_100basefx_firmware < 1.78 cpe:2.3:o:wut:com-server_highspeed_100basefx_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_100baselx_firmware < 1.78 cpe:2.3:o:wut:com-server_highspeed_100baselx_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_19\"_1port_firmware < 1.78 cpe:2.3:o:wut:com-server_highspeed_19\"_1port_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_19\"_4port_firmware < 1.78 cpe:2.3:o:wut:com-server_highspeed_19\"_4port_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_compact_firmware < 1.78 cpe:2.3:o:wut:com-server_highspeed_compact_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_industry_firmware < 1.78 cpe:2.3:o:wut:com-server_highspeed_industry_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_isolated_firmware < 1.78 cpe:2.3:o:wut:com-server_highspeed_isolated_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_oem_firmware < 1.78 cpe:2.3:o:wut:com-server_highspeed_oem_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_office_1port_firmware < 1.78 cpe:2.3:o:wut:com-server_highspeed_office_1port_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_office_4port_firmware < 1.78 cpe:2.3:o:wut:com-server_highspeed_office_4port_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_poe_firmware < 1.78 cpe:2.3:o:wut:com-server_highspeed_poe_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_lc_firmware < 1.55 cpe:2.3:o:wut:com-server_highspeed_lc_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_poe_3x_isolated_firmware < 1.55 cpe:2.3:o:wut:com-server_highspeed_poe_3x_isolated_firmware:*:*:*:*:*:*:*:*
wut com-server_highspeed_ul_firmware < 1.55 cpe:2.3:o:wut:com-server_highspeed_ul_firmware:*:*:*:*:*:*:*:*

References for CVE-2022-4098

cvelogic Threat Intelligence