Critical severity · published Oct 18, 2022
CVE-2022-22241
Junos OS: Vulnerability in J-Web may allow deserialization without authentication
9.8
CVSS
1.3%
EPSS
No
On KEV
Description
An Improper Input Validation vulnerability in the J-Web component of Juniper Networks Junos OS may allow an unauthenticated attacker to access data without proper authorization. Utilizing a crafted POST request, deserialization may occur which could lead to unauthorized local file access or the ability to execute arbitrary commands. This issue affects Juniper Networks Junos OS: all versions prior to 19.1R3-S9; 19.2 versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S7; 19.4 versions prior to 19.4R2-S7, 19.4R3-S9; 20.1 versions prior to 20.1R3-S5; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S2; 21.2 versions prior to 21.2R3-S1; 21.3 versions prior to 21.3R2-S2, 21.3R3; 21.4 versions prior to 21.4R1-S2, 21.4R2-S1, 21.4R3; 22.1 versions prior to 22.1R1-S1, 22.1R2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Junos OS · Juniper
before 19.1R3-S9; 19.2 before 19.2R3-S6; 19.3 before 19.3R3-S7; 19.4 before 19.4R2-S7, 19.4R3-S9; 20.1 before 20.1R3-S5; 20.2 before 20.2R3-S5; +7 more · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-22241
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-22241
Vendor Advisory
https://kb.juniper.net/JSA69899
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