CVE-2018-12979

762 3000 Firmware vulnerability

CVSS

6.5

EPSS

7.9%

EPSS pct

94th

Exploited

No known

An issue was discovered on WAGO e!DISPLAY 762-3000 through 762-3003 devices with firmware before FW 02. Weak permissions allow an authenticated user to overwrite critical files by abusing the unrestricted file upload in the WBM.

Affected vendor

Wago

Affected product

762 3000 Firmware

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Weakness type (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

Published

2018-07-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 7.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2018-12979

Confirm whether Wago 762 3000 Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-12979.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-12979

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-12979 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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