CVE-2021-0263 — Networks Junos OS vulnerability

CWE-194 documents4 sources
Severity
5.9MEDIUMNVD
EPSS
0.3%
top 45.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Juniper Networks Junos OSJuniper Junos
Timeline
PublishedApr 22
Latest updateMay 24

Description

A Data Processing vulnerability in the Multi-Service process (multi-svcs) on the FPC of Juniper Networks Junos OS on the PTX Series routers may lead to the process becoming unresponsive, ultimately affecting traffic forwarding, allowing an attacker to cause a Denial of Service (DoS) condition . The Multi-Service Process running on the FPC is responsible for handling sampling-related operations when a J-Flow configuration is activated. This can occur during periods of heavy route churn, causing t…

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5juniper_networks/junos_os18.2 — 18.2R3-S7+9
▶NVDjuniper/junos10 versions+9

🔴Vulnerability Details

2
GHSA
GHSA-qcxv-8437-j2fr: A Data Processing vulnerability in the Multi-Service process (multi-svcs) on the FPC of Juniper Networks Junos OS on the PTX Series routers may lead t↗2022-05-24
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CVEList
Junos OS: PTX Series: Denial of Service in packet processing due to heavy route churn when J-Flow sampling is enabled↗2021-04-22
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📋Vendor Advisories

1
Juniper
CVE-2021-0263: A Data Processing vulnerability in the Multi-Service process (multi-svcs) on the FPC of Juniper Networks Junos OS on the PTX Series routers may lead t↗2021-04-22
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CVE-2021-0263 — Juniper Networks Junos OS vulnerability | cvebase