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ICSA-25-252-09: Rockwell Automation 1783-NATR ↗ source

September 9, 2025 CISA ICS Advisory
Source: https://www.cisa.gov/news-events/ics-advisories/icsa-25-252-09

Summary

Successful exploitation of this vulnerability could allow an attacker to cause a memory corruption on the product. CVE-2020-28895: In Wind River VxWorks, memory allocator has a possible overflow in calculating the memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.

Advisory Details CISA ICS CSAF feed

Advisory ID
ICSA-25-252-09
Status
Final · version 1
Initial release
2025-09-09
Last revised
2025-09-09
Vendor
Rockwell Automation
Critical infrastructure sectors
Critical Manufacturing
Deployed
Worldwide
Vendor headquarters
United States

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

Do not click web links or open attachments in unsolicited email messages.

Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.

Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.

No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time.

Credit: Rockwell Automation

Affected products (1)
  • 1783-NATR — <1.007

From CISA's machine-readable CSAF 2.0 advisory (JSON).

Vulnerabilities as Stated by the Advisory

CVEWeaknessCVSS v3Details
CVE-2020-28895 CWE-1103 Use of Platform-Dependent Third Party Components 7.3 High In Wind River VxWorks, memory allocator has a possible overflow in calculating the memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.

Mitigation: Rockwell Automation released a product update addressing this vulnerability:

Mitigation: Version 1.007

Mitigation: Users of the affected software unable to upgrade to one of the corrected versions should follow Rockwell Automation's security best practices. ↗

Affected, fixed & timeline

Affected:

  • 1783-NATR <1.007

Scores and weakness types are as CISA or the republishing vendor stated them in this advisory; the linked CVE pages carry the independently enriched CVSS and SSVC assessments.

News Coverage

No coverage found in monitored research blogs or news feeds.

CVEs Referenced in This Publication

CVECVSSAffected
CVE-2020-28895 7.3 High n/a n/a In Wind River VxWorks, memory allocator has a possible overflow in calculating the memory block's size to be allocated by calloc(). As a result, the …

Named by the advisory itself. Each CVE links to its tracked detail page.

Vendors Named in This Publication

Rockwell 1 KEV

Each vendor links to its Known Exploited Vulnerabilities catalog page. Only vendors that appear in the KEV catalog are listed, either because the publication cites one of their KEV entries or because it names them directly.