Vulnerability identifier: #VU53176

Vulnerability risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-26141

CWE-ID: CWE-20

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Mist Access Point
Hardware solutions / Routers & switches, VoIP, GSM, etc
AP21
Hardware solutions / Routers & switches, VoIP, GSM, etc
AP41
Hardware solutions / Routers & switches, VoIP, GSM, etc
AP61
Hardware solutions / Routers & switches, VoIP, GSM, etc
AP43
Hardware solutions / Routers & switches, VoIP, GSM, etc
AP63
Hardware solutions / Routers & switches, VoIP, GSM, etc
AP12
Hardware solutions / Routers & switches, VoIP, GSM, etc
AP32
Hardware solutions / Routers & switches, VoIP, GSM, etc
AP33
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Juniper Networks, Inc.

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the Wi-Fi implementation does not verify the Message Integrity Check (authenticity) of fragmented TKIP frames. A remote attacker on the local network can inject and possibly decrypt packets in WPA or WPA2 networks that support the TKIP data-confidentiality protocol.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mist Access Point: 0.5 - 0.9

AP21: All versions

AP41: All versions

AP61: All versions

AP43: All versions

AP63: All versions

AP12: All versions

AP32: All versions

AP33: All versions

---

External links
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA11170&cat=SIRT_1&actp=LIST

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.