CVE-2020-12505: wago 750-831_firmware
CVSS: 8.2v3.1HighModified
Published 30-09-2020Last modified 16-09-2024
Vulnerability summary
CVE-2020-12505 is a high (CVSS 8.2) vulnerability in wago 750-831_firmware. EPSS estimates a 1.25% chance of exploitation in the next 30 days, higher than 68.9% of scored vulnerabilities.
CVSS score
8.2/10
010
High · v3.1 (CVE.org)EPSS score
1.25%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 30-09-2020PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 8.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:HSourcesAll 2 agree
- NVDNIST8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.25%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.25% on 20-09-2026
20-09-202620-10-2026
EPSS score1.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Wago10 products
- 750-831_firmware≤ fw07
- 750-831/xxx-xxx≥ unspecified, ≤ FW07
- 750-852_firmware≥ unspecified, ≤ FW07 | ≤ fw07
- 750-880_firmware≤ fw07
- 750-880/xxx-xxx≥ unspecified, ≤ FW07
1 vendor · 10 products