CVE-2020-22284 — HIGH (7.5)

Vulnerability Description

A buffer overflow vulnerability in the zepif_linkoutput() function of Free Software Foundation lwIP git head version and version 2.1.2 allows attackers to access sensitive information via a crafted 6LoWPAN packet.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Lwip Project	Lwip	2.1.2

Related Weaknesses (CWE)

CWE-120

References

https://savannah.nongnu.org/bugs/index.php?58554PatchThird Party Advisory
https://savannah.nongnu.org/bugs/index.php?58554PatchThird Party Advisory

FAQ

What is CVE-2020-22284?

CVE-2020-22284 is a vulnerability with a CVSS score of 7.5 (HIGH). A buffer overflow vulnerability in the zepif_linkoutput() function of Free Software Foundation lwIP git head version and version 2.1.2 allows attackers to access sensitive information via a crafted 6L...

How severe is CVE-2020-22284?

CVE-2020-22284 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-2020-22284?

Check the references section above for vendor advisories and patch information. Affected products include: Lwip Project Lwip.