No exploitation reported

CVE-2020-29378

No exploitation reported by the sources we read.

Published2020-11-29
WeaknessCWE-287

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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. It is possible to elevate the privilege of a CLI user (to full administrative access) by using the password !j@l#y$z%x6x7q8c9z) for the enable command.

Timeline

dates in UTC

2020-11-2901:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-29378?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-29378?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Vsolcn v1600d firmwareversion to verify

Branch	Affected	Fixed in	Source
2.3	= 2.03.57	no fix published	NVD
2.3	= 2.03.69	no fix published	NVD

Vsolcn v1600g1 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.9	= 1.9.7	no fix published	NVD
2.0	= 2.0.7	no fix published	NVD

Vsolcn v1600d-mini firmwareversion to verify

Branch	Affected	Fixed in	Source
1.1	= 1.01.48	no fix published	NVD

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.09read 2026-10-23
NVDweakness (CWE)CWE-287read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2020-11-29
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-29378?

Is CVE-2020-29378 actively exploited?

Active exploitation of CVE-2020-29378 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-29378?

CVE-2020-29378 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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