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CRITICAL

CVE-2020-29377

CVSS v3

9.8

CRITICAL

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An issue was discovered on V-SOL V1600D V2.03.69 OLT devices. The string K0LTdi@gnos312$ is compared to the password provided by the the remote attacker. If it matches, access is provided.

Technical details

Published
2020-11-29

Frequently asked questions

What is CVE-2020-29377?

An issue was discovered on V-SOL V1600D V2.03.69 OLT devices. The string K0LTdi@gnos312$ is compared to the password provided by the the remote attacker. If it matches, access is provided.

Is CVE-2020-29377 actively exploited?

Active exploitation of CVE-2020-29377 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-29377?

CVE-2020-29377 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2020-29377 affecting your environment?

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