Denial of service in Juniper Networks Junos OS on EX4300 Series, EX3400 Series, EX4300-MP Series and EX2300 Series
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-31365 |
| CWE-ID | CWE-400 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Juniper Junos OS Operating systems & Components / Operating system EX4300 Hardware solutions / Routers & switches, VoIP, GSM, etc EX3400 Hardware solutions / Routers & switches, VoIP, GSM, etc EX4300-MP Hardware solutions / Routers & switches, VoIP, GSM, etc EX2300 Hardware solutions / Routers & switches, VoIP, GSM, etc |
| Vendor | Juniper Networks, Inc. |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Resource exhaustion
EUVDB-ID: #VU57355
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-31365
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources in an Aggregated Ethernet (AE) interface. A remote attacker on the local network can trigger resource exhaustion and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsJuniper Junos OS: 15.1R - 21.1R1-S1
EX4300: All versions
EX3400: All versions
EX4300-MP: All versions
EX2300: All versions
External linkshttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA11227&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.
