CVE-2021-0205
Description
When the Intrusion Detection Service (IDS) feature is configured on Juniper Networks MX series with a dynamic firewall filter using IPv6 source or destination prefix, it may incorrectly match the prefix as /32, causing the filter to block unexpected traffic. This issue affects only IPv6 prefixes when used as source and destination. This issue affects MX Series devices using MS-MPC, MS-MIC or MS-SPC3 service cards with IDS service configured. This issue affects: Juniper Networks Junos OS 17.3 versions prior to 17.3R3-S10 on MX Series; 17.4 versions prior to 17.4R3-S3 on MX Series; 18.1 versions prior to 18.1R3-S11 on MX Series; 18.2 versions prior to 18.2R3-S6 on MX Series; 18.3 versions prior to 18.3R3-S4 on MX Series; 18.4 versions prior to 18.4R3-S6 on MX Series; 19.1 versions prior to 19.1R2-S2, 19.1R3-S3 on MX Series; 19.2 versions prior to 19.2R3-S1 on MX Series; 19.3 versions prior to 19.3R2-S5, 19.3R3-S1 on MX Series; 19.4 versions prior to 19.4R3 on MX Series; 20.1 versions prior to 20.1R2 on MX Series; 20.2 versions prior to 20.2R2 on MX Series;
Risk Information
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Multiple Vulnerabilities are fixed in junos 17.3R3-S10 | NCM |
| Multiple Vulnerabilities are fixed in junos 17.4R3-S3 | NCM |
| Multiple Vulnerabilities are fixed in junos 18.1R3-S11 | NCM |
| Multiple Vulnerabilities are fixed in junos 18.2R3-S6 | NCM |
| Multiple Vulnerabilities are fixed in junos 18.3R3-S4 | NCM |
| Multiple Vulnerabilities are fixed in junos 18.4R3-S6 | NCM |
| Multiple Vulnerabilities are fixed in junos 19.1R2-S2 | NCM |
| Multiple Vulnerabilities are fixed in junos 19.2R3-S1 | NCM |
| Vulnerabilities CVE-2021-0205 are fixed in junos 19.3R2-S5 | NCM |
| Multiple Vulnerabilities are fixed in junos 19.4R3 | NCM |
| Multiple Vulnerabilities are fixed in junos 20.1R2 | NCM |
| Multiple Vulnerabilities are fixed in junos 20.2R2 | NCM |
| Improper Access Control Vulnerability (CVE-2021-0205) | NCM |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234