CVE-2020-12516: wago 750-331_firmware Uncontrolled Resource Consumption
CVSS: 7.5v3.1HighModified
Published 10-12-2020Last modified 16-09-2024
Vulnerability summary
CVE-2020-12516 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in wago 750-331_firmware. EPSS estimates a 1.89% chance of exploitation in the next 30 days, higher than 79.2% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
1.89%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-12-2020PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are vulnerable for a special denial of service attack.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.89%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
0.00 pp
From 1.89% on 20-09-2026
20-09-202620-10-2026
EPSS score1.89%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Wago13 products
- 750-331_firmware≥ fw1, ≤ fw10
- 750-331/xxx-xxxFW1<=FW10
- 750-352_firmwareFW1<=FW10 | ≥ fw1, ≤ fw10
- 750-829_firmwareFW1<=FW10 | ≥ fw1, ≤ fw10
- 750-831_firmware≥ fw1, ≤ fw10
1 vendor · 13 products
References
2 links- us-cert.cisa.gov/ics/advisories/icsa-20-308-01X Refsource MISCMitigationThird Party AdvisoryUS Government Resource