Path Traversal in Yeastar Neogate Tg400
CVE-2021-27328
Yeastar NeoGate TG400 91.3.0.3 devices are affected by Directory Traversal. An authenticated user can decrypt firmware and can read sensitive information, such as a password or decryption key.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.063 (92.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Yeastar Neogate_tg400
- Yeastar Neogate_tg400_firmware — versions 91.3.0.3
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-27328?
- CVE-2021-27328 is a medium-severity vulnerability in Yeastar Neogate Tg400, classified under Path Traversal. CVSS score: 6.5/10. Published 2021-02-19.
- How severe is CVE-2021-27328?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-27328 known to be exploited?
- 28 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.