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CVE-2019-15801

Published: Nov 14, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-798
7.5HIGH
NVD MITRE
EPSS Score
1.5%
Top 28.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware image contains encrypted passwords that are used to authenticate users wishing to access a diagnostics or password-recovery menu. Using the hardcoded cryptographic key found elsewhere in the firmware, these passwords can be decrypted. This is related to fds_sys_passDebugPasswd_ret() and fds_sys_passRecoveryPasswd_ret() in libfds.so.0.0.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-798

Affected Products

Zyxel Communications Corp.
commercial·TWaka zyxel
gs1900-8 firmware
Networking Infrastructure
gs1900-8hp firmware
Networking Infrastructure
gs1900-10hp firmware
Networking Infrastructure
gs1900-16 firmware
Networking Infrastructure
gs1900-24e firmware
Networking Infrastructure
gs1900-24 firmware
Networking Infrastructure
gs1900-24hp firmware
Networking Infrastructure
gs1900-48 firmware
Networking Infrastructure
and 11 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2019-15801?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Credential Access
Initial Access
View detailed technique mapping

References

https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html
jasper.la
https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml
zyxel.com
https://nvd.nist.gov/vuln/detail/CVE-2019-15801
nvd.nist.gov
and 1 more references View all →

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