Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-0203 |
CWE-ID | CWE-399 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Juniper Junos OS Operating systems & Components / Operating system |
Vendor | Juniper Networks, Inc. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU49576
Risk: Medium
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-0203
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources on Juniper Networks EX and QFX5K Series platforms configured with Redundant Trunk Group (RTG). The Storm Control profile applied on the RTG interface might not take affect when it reaches the threshold condition. A remote attacker can perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
This issue affects Juniper Networks Junos OS on EX Series and QFX5K Series:
15.1 versions prior to 15.1R7-S7;
16.1 versions prior to 16.1R7-S8;
17.2 versions prior to 17.2R3-S4;
17.3 versions prior to 17.3R3-S8;
17.4 versions prior to 17.4R2-S11, 17.4R3-S2;
18.1 versions prior to 18.1R3-S10;
18.2 versions prior to 18.2R3-S5;
18.3 versions prior to 18.3R2-S4, 18.3R3-S2;
18.4 versions prior to 18.4R2-S5, 18.4R3-S3;
19.1 versions prior to 19.1R2-S2, 19.1R3-S2;
19.2 versions prior to 19.2R1-S5, 19.2R2-S1, 19.2R3;
19.3 versions prior to 19.3R2-S4, 19.3R3;
19.4 versions prior to 19.4R1-S3, 19.4R2-S1, 19.4R3;
20.1 versions prior to 20.1R1-S2, 20.1R2. Vulnerable software versionsJuniper Junos OS: 15.1 - 20.2
External linkshttp://kb.juniper.net/JSA11093
Q & A
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.