Vulnerability Details : CVE-2021-45769
Potential exploit
A NULL pointer dereference in AcseConnection_parseMessage at src/mms/iso_acse/acse.c of libiec61850 v1.5.0 can lead to a segmentation fault or application crash.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-45769
- cpe:2.3:a:mz-automation:libiec61850:1.5.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-45769
0.27%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-45769
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-45769
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-45769
-
https://github.com/mz-automation/libiec61850/issues/368
NULL Pointer Dereference in AcseConnection_parseMessage · Issue #368 · mz-automation/libiec61850 · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
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