CVE-2021-45769 Null dereference in n/a

What is CVE-2021-45769?

CVE-2021-45769 is a high-severity vulnerability in n/a, published on 14 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-476

Which versions are affected by CVE-2021-45769?

It affects 1 product.

Products include Mz-Automation Libiec61850.

How do I fix CVE-2021-45769?

No fix has been published for CVE-2021-45769 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-45769 being exploited?

There is no known exploitation of CVE-2021-45769 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2022-2970 MZ Automation libIEC61850 Stack-Based Buffer Overflow Critical 10.0
• CVE-2022-2972 MZ Automation libIEC61850 Stack-Based Buffer Overflow Critical 10.0
• CVE-2024-45970 Memory corruption in n/a Critical 9.8
• CVE-2024-45971 Memory corruption in n/a Critical 9.8
• CVE-2018-19185 Memory corruption in n/a Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jwxx-pw7h-7cx3.