| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE ID | CVE-2020-1667 |
| CWE ID | CWE-362 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Juniper Junos OS Operating systems & Components / Operating system |
| Vendor | Juniper Networks, Inc. |
This security advisory describes one high risk vulnerability.
Risk: High
CVSSv3: 7.2 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C] [PCI]
CVE-ID: CVE-2020-1667
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to a race condition when DNS filtering is enabled with one of the following cards MS-PIC, MS-MIC or MS-MPC. A remote attacker can exploit the race, cause a deial of service (DoS) condition and escalate privileges on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsJuniper Junos OS: 17.3R1, 17.3R1-S1, 17.3R1-S2, 17.3R1-S3, 17.3R1-S4, 17.3R2, 17.3R2-S2, 17.3R2-S4, 17.3R2-S5, 17.3R3, 17.3R3-S1, 17.3R3-S2, 17.3R3-S3, 17.3R3-S4, 17.3R3-S5, 17.3R3-S6, 17.3R3-S7, 18.3R1, 18.3R1-S1, 18.3R1-S2, 18.3R1-S3, 18.3R1-S4, 18.3R1-S5, 18.3R1-S6, 18.3R1-S7, 18.3R2, 18.3R2-S1, 18.3R2-S2, 18.3R2-S3, 18.3R2-S4, 18.3R3, 18.4R1, 18.4R1-S1, 18.4R1-S2, 18.4R1-S3, 18.4R1-S4, 18.4R1-S5, 18.4R1-S6, 18.4R1-S7, 18.4R2, 18.4R2-S1, 18.4R2-S2, 18.4R2-S3, 18.4R2-S4, 18.4R2-S5, 19.1R, 19.1R1, 19.1R1-S1, 19.1R1-S2, 19.1R1-S3, 19.1R1-S4, 19.1R1-S5, 19.1R2, 19.1R2-S1, 19.1R2-S2, 19.2R1, 19.2R1-S1, 19.2R1-S2, 19.2R1-S3, 19.2R1-S4, 19.2R1-S5, 19.3R1, 19.3R1-S1, 19.3R2, 19.3R2-S1, 19.3R2-S2, 19.3R2-S3, 19.3R2-S4
CPEhttps://kb.juniper.net/InfoCenter/index?page=content&id=JSA11064&cat=SIRT_1&actp=LIST
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.