CVE-2022-22177— Junos OS and Junos OS Evolved: After receiving a specific number of crafted packets snmpd will segmentation fault (SIGSEGV) requiring a manual restart.
Quick assessment
Affected
Juniper Networks Junos OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS存在安全漏洞，该漏洞源于Juniper Networks Junos OS 的 snmpd 守护程序中释放的非法内存漏洞 Junos OS Evolved 允许攻击者停止 snmpd 守护程序，从而导致服务持续拒绝服务 (DoS)，直到手动重新启动它。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-22177
Vulnerability Information
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Vulnerability Title
Junos OS and Junos OS Evolved: After receiving a specific number of crafted packets snmpd will segmentation fault (SIGSEGV) requiring a manual restart.
Source: CVE Program / CVE List V5
Vulnerability Description
A release of illegal memory vulnerability in the snmpd daemon of Juniper Networks Junos OS, Junos OS Evolved allows an attacker to halt the snmpd daemon causing a sustained Denial of Service (DoS) to the service until it is manually restarted. This issue impacts any version of SNMP – v1,v2, v3 This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S20; 15.1 versions prior to 15.1R7-S11; 18.3 versions prior to 18.3R3-S6; 18.4 versions prior to 18.4R2-S9, 18.4R3-S10; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R2-S5, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2-S2, 21.1R3; 21.2 versions prior to 21.2R1-S2, 21.2R2. Juniper Networks Junos OS Evolved 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS存在安全漏洞，该漏洞源于Juniper Networks Junos OS 的 snmpd 守护程序中释放的非法内存漏洞 Junos OS Evolved 允许攻击者停止 snmpd 守护程序，从而导致服务持续拒绝服务 (DoS)，直到手动重新启动它。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Juniper Networks | Junos OS | 12.3 ~ 12.3R12-S20 | - |
|
| Juniper Networks | Junos OS Evolved | unspecified ~ 21.2R3-EVO | - |
|
II. Public POCs for CVE-2022-22177
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2022-22177 (2)
-
https://kb.juniper.net/JSA11283 x_refsource_CONFIRM
Same Patch Batch · Juniper Networks · 2022-01-19 · 27 CVEs total
| CVE-2022-22152 | 7.7 HIGH | Contrail Service Orchestration: Tenants able to see other tenants policies via REST API in |
| CVE-2022-22153 | 7.5 HIGH | SRX Series and MX Series with SPC3: A high percentage of fragments might lead to high late |
| CVE-2022-22180 | 7.5 HIGH | Junos OS: EX2300 Series, EX2300-MP Series, EX3400 Series: A slow memory leak due to proces |
| CVE-2022-22178 | 7.5 HIGH | Junos OS: MX and SRX series: Flowd core observed if the SIP ALG is enabled and a specific |
| CVE-2022-22175 | 7.5 HIGH | Junos OS: MX Series and SRX Series: The flowd daemon will crash if the SIP ALG is enabled |
| CVE-2022-22174 | 7.5 HIGH | Junos OS: QFX5000 Series, EX4600: Device may run out of memory, causing traffic loss, upon |
| CVE-2022-22173 | 7.5 HIGH | Junos OS: CRL failing to download causes a memory leak and ultimately a DoS |
| CVE-2022-22171 | 7.5 HIGH | Junos OS: Specific packets over VXLAN cause FPC reset |
| CVE-2022-22170 | 7.5 HIGH | Junos OS: Specific packets over VXLAN cause FPC memory leak and ultimately reset |
| CVE-2022-22159 | 7.5 HIGH | Junos OS: An attacker sending crafted packets can cause a traffic and CPU Denial of Servic |
| CVE-2022-22161 | 7.5 HIGH | Junos OS: MX104 might become unresponsive if the out-of-band management port receives a fl |
| CVE-2022-22163 | 7.4 HIGH | Junos OS: jdhcpd crashes upon receipt of a specific DHCPv6 packet |
| CVE-2022-22176 | 7.4 HIGH | Junos OS: In a scenario with dhcp-security and option-82 configured jdhcpd crashes upon re |
| CVE-2022-22162 | 7.3 HIGH | Junos OS: A low privileged user can elevate their privileges to the ones of the highest pr |
| CVE-2022-22167 | 7.2 HIGH | Junos OS: SRX Series: If no-syn-check is enabled, traffic classified as UNKNOWN gets permi |
| CVE-2022-22157 | 7.2 HIGH | Junos OS: SRX Series: Traffic classification vulnerability when 'no-syn-check' is enabled |
| CVE-2022-22154 | 6.8 MEDIUM | Junos Fusion: A Satellite Device can be controlled by rewiring it to a foreign AD causing |
| CVE-2022-22160 | 6.5 MEDIUM | Junos OS: MX Series: The bbe-smgd process crashes if an unsupported configuration exists a |
| CVE-2022-22172 | 6.5 MEDIUM | Junos OS and Junos OS Evolved: An l2cpd memory leak can occur when specific LLDP packets a |
| CVE-2022-22168 | 6.5 MEDIUM | Junos OS: vMX and MX150: Specific packets might cause a memory leak and eventually an FPC |
Showing top 20 of 27 CVEs. View all on vendor page → →
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Same vendor: Juniper Networks
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CVE-2026-57054
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CVE-2026-57032
Junos OS: EX Series: Subscribing to an unsupported telemetry -
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Junos OS: MX Series: For subscribers configured on static in -
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V. Comments for CVE-2022-22177
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