CVE-2020-13364

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Summary

CVECVE-2020-13364
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-08-06 17:15:00 UTC
Updated2022-02-09 16:51:00 UTC
DescriptionA backdoor in certain Zyxel products allows remote TELNET access via a CGI script. This affects NAS520 V5.21(AASZ.4)C0, V5.21(AASZ.0)C0, V5.11(AASZ.3)C0, and V5.11(AASZ.0)C0; NAS542 V5.11(ABAG.0)C0, V5.20(ABAG.1)C0, and V5.21(ABAG.3)C0; NSA325 v2_V4.81(AALS.0)C0 and V4.81(AAAJ.1)C0; NSA310 4.22(AFK.0)C0 and 4.22(AFK.1)C0; NAS326 V5.21(AAZF.8)C0, V5.11(AAZF.4)C0, V5.11(AAZF.2)C0, and V5.11(AAZF.3)C0; NSA310S V4.75(AALH.2)C0; NSA320S V4.75(AANV.2)C0 and V4.75(AANV.1)C0; NSA221 V4.41(AFM.1)C0; and NAS540 V5.21(AATB.5)C0 and V5.21(AATB.3)C0.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Zyxel Nas326 - All All All
Operating System Zyxel Nas326 Firmware All All All All
Hardware Zyxel Nas520 - All All All
Operating System Zyxel Nas520 Firmware All All All All
Hardware Zyxel Nas540 - All All All
Operating System Zyxel Nas540 Firmware All All All All
Hardware Zyxel Nas542 - All All All
Operating System Zyxel Nas542 Firmware All All All All
Hardware Zyzel Nas326 - All All All
Hardware Zyzel Nas326 - All All All
Operating System Zyzel Nas326 Firmware All All All All
Operating System Zyzel Nas326 Firmware All All All All
Hardware Zyzel Nas520 - All All All
Hardware Zyzel Nas520 - All All All
Operating System Zyzel Nas520 Firmware All All All All
Operating System Zyzel Nas520 Firmware All All All All
Hardware Zyzel Nas540 - All All All
Hardware Zyzel Nas540 - All All All
Operating System Zyzel Nas540 Firmware All All All All
Operating System Zyzel Nas540 Firmware All All All All
Hardware Zyzel Nas542 - All All All
Hardware Zyzel Nas542 - All All All
Operating System Zyzel Nas542 Firmware All All All All
Operating System Zyzel Nas542 Firmware All All All All

References

ReferenceSourceLinkTags
Zyxel security advisory for NAS remote access vulnerability | Zyxel MISC www.zyxel.com Vendor Advisory
Security Advisories | Zyxel MISC www.zyxel.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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