CVE-2020-1637
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2020
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Junos OS: SRX Series: Unified Access Control (UAC) bypass vulnerability
A vulnerability in Juniper Networks SRX Series device configured as a Junos OS Enforcer device may allow a user to access network resources that are not permitted by a UAC policy. This issue might occur when the IP address range configured in the Infranet Controller (IC) is configured as an IP address range instead of an IP address/netmask. See the Workaround section for more detail. The Junos OS Enforcer CLI settings are disabled by default. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D100; 15.1X49 versions prior to 15.1X49-D210; 17.3 versions prior to 17.3R2-S5, 17.3R3-S8; 17.4 versions prior to 17.4R2-S9, 17.4R3-S1; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R3-S2; 18.4 versions prior to 18.4R1-S6, 18.4R2-S4, 18.4R3-S1; 19.1 versions prior to 19.1R1-S4, 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S3, 19.2R2; 19.3 versions prior to 19.3R2-S1, 19.3R3; 19.4 versions prior to 19.4R1-S1, 19.4R2.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Junos OS
- Vendor
- Juniper Networks
- Product
- Junos OS
- Platforms
- SRX Series
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 12.3X48 | affected | custom | 12.3X48-D100 | Unavailable | None listed |
| 15.1X49 | affected | custom | 15.1X49-D210 | Unavailable | None listed |
| 17.3 | affected | custom | 17.3R2-S5, 17.3R3-S8 | Unavailable | None listed |
| 17.4 | affected | custom | 17.4R2-S9, 17.4R3-S1 | Unavailable | None listed |
| 18.1 | affected | custom | 18.1R3-S10 | Unavailable | None listed |
| 18.2 | affected | custom | 18.2R2-S7, 18.2R3-S3 | Unavailable | None listed |
| 18.3 | affected | custom | 18.3R1-S7, 18.3R3-S2 | Unavailable | None listed |
| 18.4 | affected | custom | 18.4R1-S6, 18.4R2-S4, 18.4R3-S1 | Unavailable | None listed |
| 19.1 | affected | custom | 19.1R1-S4, 19.1R2-S1, 19.1R3 | Unavailable | None listed |
| 19.2 | affected | custom | 19.2R1-S3, 19.2R2 | Unavailable | None listed |
| 19.3 | affected | custom | 19.3R2-S1, 19.3R3 | Unavailable | None listed |
| 19.4 | affected | custom | 19.4R1-S1, 19.4R2 | Unavailable | None listed |