CVE-2022-2970 json
MZ Automation libIEC61850 Stack-Based Buffer Overflow
published 4y ago modified 4mo ago also EUVD-2022-35191
- cvss
- 10.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) does not sanitize input before memcpy is used, which could allow an attacker to crash the device or remotely execute arbitrary code.
Patch / fix
- MZ Automation libIEC61850 Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e
Is CVE-2022-2970 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-22-251-01 updated cvss 10.0
MZ Automation libIEC61850
-
MZ Automation GmbH libIEC61850 >= 1.5, <= a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e, <= 1.4affected: vendor fix github.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
1.47% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- MZ Automation libIEC61850
Classification
References
-
cisa.gov
/uscert/ics/advisories/icsa-22-251-01
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2022-2970
- NVD CVE-2022-2970
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.