Vulnerability Details : CVE-2019-18858
CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow.
Vulnerability category: Overflow
Products affected by CVE-2019-18858
- cpe:2.3:a:codesys:control_for_beaglebone:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_empc-a\/imx6:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_iot2000:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_pfc100:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_pfc200:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_raspberry_pi:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_rte:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_win:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:hmi:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_linux:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:embedded_target_visu_toolkit:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:remote_target_visu_toolkit:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_plcnext:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-18858
0.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-18858
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2019-18858
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-18858
-
https://customers.codesys.com/fileadmin/data/customers/security/2019/Advisory2019-10_CDS-68341.pdf
Vendor Advisory
-
https://www.tenable.com/security/research/tra-2019-48
CODESYS V3 Unauthenticated Remote Heap Buffer Overflow - Research Advisory | TenableĀ®Exploit;Third Party Advisory
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