WAGO: Managed Switches: Storage of user credentials in a cookie (WAGO 0852-0303)

CVE-2021-20995

MEDIUM 5.3

At a glance

Source: NVD
EPSS: EPSS 0.54 % · percentile 46 (2026-11-01)
State: PUBLISHED
Published: 2021-05-13 13:45 UTC
Updated: 2024-09-17 04:24 UTC
Assigner: CERTVDE
NVD status: Modified

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Description

In multiple managed switches by WAGO in different versions the webserver cookies of the web based UI contain user credentials.

Weaknesses (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

https://cert.vde.com/en-us/advisories/vde-2021-013

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	CERTVDE
CVSS 3.1	MEDIUM 5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	NVD · info@cert.vde.com (Secondary)
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2021-8404
GCVE · GCVE-0-2021-20995

Affected configurations (NVD CPE)

cpe:2.3:o:wago:0852-0303_firmware:*:*:*:*:*:*:*:* ≤ 1.2.3.s0
cpe:2.3:o:wago:0852-1305_firmware:*:*:*:*:*:*:*:* ≤ 1.1.7.s0
cpe:2.3:o:wago:0852-1505_firmware:*:*:*:*:*:*:*:* ≤ 1.1.6.s0
cpe:2.3:o:wago:0852-1305\/000-001_firmware:*:*:*:*:*:*:*:* ≤ 1.0.4.s0
cpe:2.3:o:wago:0852-1505\/000-001_firmware:*:*:*:*:*:*:*:* ≤ 1.0.4.s0

Affected products

Product	Versions
WAGO · 0852-0303	affected unspecified ≤ V1.2.3.S0
WAGO · 0852-1305	affected unspecified ≤ V1.1.7.S0
WAGO · 0852-1505	affected unspecified ≤ V1.1.6.S0
WAGO · 0852-1305/000-001	affected unspecified ≤ V1.0.4.S0
WAGO · 0852-1505/000-001	affected unspecified ≤ V1.0.4.S0

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD