CVE-2020-27253
published 2020-11-26CVE-2020-27253: A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated…
PriorityP344high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.58%
72.4th percentile
A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to specifically craft a malicious packet resulting in a denial-of-service condition on the device.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| rockwellautomation | factorytalk_linx | <= 6.11 | — |
| rockwellautomation | factorytalk_linx | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.07.8HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
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CISA ICS
Rockwell Automation FactoryTalk Linx
cisa_ics·2020-11-24·CVSS 9.8
[CRITICAL] Rockwell Automation FactoryTalk Linx
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
Rockwell Automation FactoryTalk Linx
Last RevisedNovember 24, 2020
Alert CodeICSA-20-329-01
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely/Low skill level to exploit
- Vendor: Rockwell Automation
- Equipment: FactoryTalk Linx
- Vulnerabilities: Improper Input Validation, Heap-based Buffer Overflow
## 2. RISK EVALUATION
Successful exploitation of these vulnerabilities could allow a denial-of-service condition, remote code execution, or leak information that could be used to bypass address space layout randomization (ASLR).
## 3. TECHNICAL DETAILS
GHSA
GHSA-x592-jf8v-v754: A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6
ghsa_unreviewed·2022-05-24
CVE-2020-27253 [HIGH] CWE-20 GHSA-x592-jf8v-v754: A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6
A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to specifically craft a malicious packet resulting in a denial-of-service condition on the device.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2020-11-26
Published