CVE-2021-45773 — HIGH (7.5)

Q: What is CVE-2021-45773?

CVE-2021-45773 is a vulnerability with a CVSS score of 7.5 (HIGH). A NULL pointer dereference in CS104_IPAddress_setFromString at src/iec60870/cs104/cs104_slave.c of lib60870 commit 0d5e76e can lead to a segmentation fault or application crash.

Q: How severe is CVE-2021-45773?

CVE-2021-45773 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-45773?

Check the references section above for vendor advisories and patch information. Affected products include: Mz-Automation Lib60870.

Vulnerability Description

A NULL pointer dereference in CS104_IPAddress_setFromString at src/iec60870/cs104/cs104_slave.c of lib60870 commit 0d5e76e can lead to a segmentation fault or application crash.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mz-Automation	Lib60870	< 2.3.1

Related Weaknesses (CWE)

CWE-476

References

https://github.com/mz-automation/lib60870/issues/100ExploitIssue TrackingPatch
https://github.com/mz-automation/lib60870/issues/100ExploitIssue TrackingPatch

FAQ

What is CVE-2021-45773?

CVE-2021-45773 is a vulnerability with a CVSS score of 7.5 (HIGH). A NULL pointer dereference in CS104_IPAddress_setFromString at src/iec60870/cs104/cs104_slave.c of lib60870 commit 0d5e76e can lead to a segmentation fault or application crash.

How severe is CVE-2021-45773?

CVE-2021-45773 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-45773?

Check the references section above for vendor advisories and patch information. Affected products include: Mz-Automation Lib60870.