How severe is CVE-2018-12979?

CVE-2018-12979 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-12979 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12979?

CVE-2018-12979 primarily affects Wago 762-3000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-12979?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-12979 published?

CVE-2018-12979 was published on 2018-07-12 and last updated on 2026-06-17.

CVE-2018-12979

CVE-2018-12979 is a medium-severity vulnerability in Wago 762-3000 Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.5
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Wago 762-3000 Firmware
Published: 2018-07-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2018-12979?: 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.
How severe is CVE-2018-12979?: CVE-2018-12979 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-12979 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12979?: CVE-2018-12979 primarily affects Wago 762-3000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-12979?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-12979 published?: CVE-2018-12979 was published on 2018-07-12 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:wago:762-3000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:762-3001_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:762-3002_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:762-3003_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Wago 762-3000 Firmware

CVE-2018-12980 — High (CVSS 8.8): An issue was discovered on WAGO e!DISPLAY 762-3000 through 762-3003 devices with firmware before FW 02. The…
CVE-2018-12981 — Medium (CVSS 5.4): An issue was discovered on WAGO e!DISPLAY 762-3000 through 762-3003 devices with firmware before FW 02. The…

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