CVE-2011-3489 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 8.7% (pctl 95)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 8.75% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2011-09-16 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| rockwellautomation | rslogix |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Rockwell RSLogix 19 - Denial of Service | 2011-09-14 |
References
- http://aluigi.altervista.org/adv/rslogix_1-adv.txt
- http://securityreason.com/securityalert/8383
- http://www.securityfocus.com/bid/49608
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69808
- http://aluigi.altervista.org/adv/rslogix_1-adv.txt
- http://securityreason.com/securityalert/8383
- http://www.securityfocus.com/bid/49608
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69808
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