CVEvulnerability

CVE-2020-29380

5.9 MEDIUM Published 2020-11-29 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-11-29
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-319, CWE-522

Description

An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49, V1600D-MINI V1.01.48, V1600G1 V2.0.7 and V1.9.7, and V1600G2 V1.1.4 OLT devices. TELNET is offered by default but SSH is not always available. An attacker can intercept passwords sent in cleartext and conduct a man-in-the-middle attack on the management of the appliance.

Affected configurations

• vsolcn v1600d firmware 2.03.57 • vsolcn v1600d firmware 2.03.69 • vsolcn v1600d4l firmware 1.01.49 • vsolcn v1600d-mini firmware 1.01.48 • vsolcn v1600g1 firmware 1.9.7 • vsolcn v1600g1 firmware 2.0.7 • vsolcn v1600g2 firmware 1.1.4

Related

Weakness · CWE (2)

  • CWE-319 Cleartext Transmission of Sensitive Information weakness
  • CWE-522 Insufficiently Protected Credentials weakness

References