Vulnerability Details : CVE-2020-27255
A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to send malicious set attribute requests, which could result in the leaking of sensitive information. This information disclosure could lead to the bypass of address space layout randomization (ASLR).
Vulnerability category: OverflowInformation leak
Exploit prediction scoring system (EPSS) score for CVE-2020-27255
Probability of exploitation activity in the next 30 days: 0.63%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 77 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-27255
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-27255
-
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().Assigned by: ics-cert@hq.dhs.gov (Primary)
References for CVE-2020-27255
-
https://us-cert.cisa.gov/ics/advisories/icsa-20-329-01
Rockwell Automation FactoryTalk Linx | CISAThird Party Advisory;US Government Resource
Products affected by CVE-2020-27255
- cpe:2.3:a:rockwellautomation:factorytalk_linx:*:*:*:*:*:*:*:*