CVE-2021-26560

HighCVSS 7.4/10Last modified Jun 17, 2026

Description

Cleartext transmission of sensitive information vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-319

Affected software

No affected versions have been published.

Timeline

Published: Feb 26, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-265618.1Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the CVE-2021-265628.1Out-of-bounds write vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle CVE-2021-265636.7Incorrect authorization vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows local users to e CVE-2021-265648.7Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allow CVE-2021-265655.9Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allow CVE-2021-265669.0Insertion of sensitive information into sent data vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 all CVE-2021-265677.8Stack-based buffer overflow vulnerability in frontend/main.c in faad2 before 2.2.7.1 allow local attackers to execute arbitrary code via fil CVE-2021-265698.1Race Condition within a Thread vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows r CVE-2021-265707.8The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a local buffer overflow in libifc.s CVE-2021-265717.8The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a local buffer overflow in libifc.s CVE-2021-265727.8The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a local buffer overflow in libifc.s CVE-2021-265737.8The Baseboard Management Controller (BMC) firmware in HPE Apollo 70 System prior to version 3.0.14.0 has a local buffer overflow in libifc.s