Denial of service in Juniper Networks Junos OS



Published: 2021-10-19
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-0299
CWE-ID CWE-755
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Juniper Junos OS
Operating systems & Components / Operating system

Vendor Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Handling of Exceptional Conditions

EUVDB-ID: #VU57434

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0299

CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of exceptional conditions. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 19.4R1 - 20.2R1-S3

External links

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA11213&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 Internet.

Is there known malware, which exploits this vulnerability?

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



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