Strix
26.1K

CVE-2011-3489

UnknownEPSS 8.98%

Last modified

CVE-2011-3489 is a vulnerability of currently unknown severity. RnaUtility.dll in RsvcHost.exe 2.30.0.23 in Rockwell RSLogix 19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted rna packet with a long string to TCP port 4446 that triggers (1) "a memset zero overflow" or (2) an out-of-bounds read, related to improper handling of a 32-bit size field.. EPSS estimates a 8.98% chance of exploitation in the next 30 days.

Description

RnaUtility.dll in RsvcHost.exe 2.30.0.23 in Rockwell RSLogix 19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted rna packet with a long string to TCP port 4446 that triggers (1) "a memset zero overflow" or (2) an out-of-bounds read, related to improper handling of a 32-bit size field.

Metrics

EPSS Probability
8.98%

94.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
RockwellautomationRslogix<= 19

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-3489?
RnaUtility.dll in RsvcHost.exe 2.30.0.23 in Rockwell RSLogix 19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted rna packet with a long string to TCP port 4446 that triggers (1) "a memset zero overflow" or (2) an out-of-bounds read, related to improper handling of a 32-bit size field.
How severe is CVE-2011-3489?
Severity scoring for CVE-2011-3489 is pending analysis. The EPSS model estimates a 8.98% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3489?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-3489?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST