CVE-2022-22236 json
Junos OS: SRX Series and MX Series: When specific valid SIP packets are received the PFE will crash
published 4y ago modified 4mo ago also EUVD-2022-27383
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
An Access of Uninitialized Pointer vulnerability in SIP Application Layer Gateway (ALG) of Juniper Networks Junos OS on SRX Series and MX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). When specific valid SIP packets are received the PFE will crash and restart. This issue affects Juniper Networks Junos OS on SRX Series and MX Series: 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S2; 21.2 versions prior to 21.2R3-S2; 21.3 versions prior to 21.3R2-S2, 21.3R3; 21.4 versions prior to 21.4R1-S2, 21.4R2; 22.1 versions prior to 22.1R1-S1, 22.1R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1.
Patch / fix
- Juniper Networks Junos OS 20.4R3-S4, 21.1R3-S2, 21.2R3-S2, 21.3R2-S2, 21.3R3, 21.4R1-S2, 21.4R2, 22.1R1-S1, 22.1R2
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- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Juniper Networks Junos OS
Classification
- Weakness
-
- CWE-824 Access of Uninitialized Pointer
References
-
kb.juniper.net
/JSA69892
vendor-advisory
Sources
- CVE List CVE-2022-22236
- NVD CVE-2022-22236
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