CVE-2015-6490

highpriority · track · 42EPSS 0.070 · 94 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

7.02% (94th) EPSS

CVSS 10 · high

Is it mine?

9 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

Stack-based buffer overflow on Allen-Bradley MicroLogix 1100 devices before B FRN 15.000 and 1400 devices through B FRN 15.003 allows remote attackers to execute arbitrary code via unspecified vectors.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationMicrologix 1100 PLC Series A, Bcisa_csaf_ot
Update to the latest versions. (http://infiniteautomation.com/index.php/download)
http://infiniteautomation.com/index.php/download
MitigationMicrologix 1400 PLC Series A, Bcisa_csaf_ot
Update to the latest versions. (http://infiniteautomation.com/index.php/download)
http://infiniteautomation.com/index.php/download

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v2.010criticalAV:N/AC:L/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119USCWE-121USCWE-121US

affected products (9)

Products and version ranges known to be affected.

Rockwell Micrologix 1100 PLC Series A, B: <=14.000all versionscisa_csaf_otUS
Rockwell Micrologix 1400 PLC Series A, B: <=15.002all versionscisa_csaf_otUS
Rockwell Micrologix 1100 PLC Series A, B≤ 14.000cisa_csaf_otUS
Rockwell Micrologix 1400 PLC Series A, B≤ 15.002cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
Rockwell Automation Inc. MicroLogix 1400≤ FRN 15.003fstec_bduRU
Rockwell Automation Inc. Micrologix 1100≤ FRN 15.000fstec_bduRU
rockwellautomation micrologix 1100 firmware≤ 14.000nvdUScpe:2.3:o:rockwellautomation:micrologix_1100_firmware:*:*:*:*:*:*:*:*
rockwellautomation micrologix 1400 firmware≤ 15.002nvdUScpe:2.3:o:rockwellautomation:micrologix_1400_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-15-300-03ARockwell Automation Micrologix 1100 and 1400 PLC Systems Vulnerabilities (Update A)2015-07-30icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2015-10-28modified 2026-06-17

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+21023 more

references (4)

External citations — patches, advisories, analysis.

http://www.rockwellautomation.com/Patchcnnvd
https://ics-cert.us-cert.gov/advisories/ICSA-15-300-03 cnnvd
https://ics-cert.us-cert.gov/advisories/ICSA-15-300-03 enisa_euvd
https://ics-cert.us-cert.gov/advisories/ICSA-15-300-03PatchThird Party AdvisoryUS Government Resourcenvd

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