CVE-2017-12093: rockwellautomation micrologix_1400_b_firmware Uncontrolled Resource Consumption
Vulnerability summary
CVE-2017-12093 is a medium (CVSS 5.3) Uncontrolled Resource Consumption vulnerability in rockwellautomation micrologix_1400_b_firmware. EPSS estimates a 6.00% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 05-04-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
An exploitable insufficient resource pool vulnerability exists in the session communication functionality of Allen Bradley Micrologix 1400 Series B Firmware 21.2 and before. A specially crafted stream of packets can cause a flood of the session resource pool resulting in legitimate connections to the PLC being disconnected. An attacker can send unauthenticated packets to trigger this vulnerability.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
6.00%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 6.00% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Rockwellautomation1 product
Talos1 product
- allen bradleyAllen Bradley Micrologix 1400 Series B FRN 21.2, Allen Bradley Micrologix 1400 Series B FRN 21.0, Allen Bradley Micrologix 1400 Series B FRN 15
2 vendors · 2 products
References
1 links- www.talosintelligence.com/vulnerability_reports/TALOS-2017-0445X Refsource MISCExploitThird Party Advisory