SARA / Free Tools / CVE / CVE-2020-12505

CVE-2020-12505 — Improper Authentication vulnerability in WAGO 750-8XX series with FW version <=

Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some special parameters without authentication. This issue affects: WAGO 750-852, WAGO 750-880/xxx-xxx, WAGO 750-881, WAGO 750-831/xxx-xxx, WAGO 750-882, WAGO 750-

CVSS
8.2 HIGH
EPSS
0.27% (top 49.90%)
CWE
CWE-306
Published
2020-09-30T15:43:20.359Z
Last modified
2024-09-16T18:08:56.055Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

01What is this vulnerability?

Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some special parameters without authentication. This issue affects: WAGO 750-852, WAGO 750-880/xxx-xxx, WAGO 750-881, WAGO 750-831/xxx-xxx, WAGO 750-882, WAGO 750-885/xxx-xxx, WAGO 750-889 in versions FW07 and below.

02Affected products

VendorProductVersions
WAGO750852 — unspecified
WAGO750880/xxx-xxx — unspecified
WAGO750881 — unspecified
WAGO750831/xxx-xxx — unspecified
WAGO750882 — unspecified
WAGO750885/xxx-xxx — unspecified
WAGO750889 — unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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