CVE-2021-27446
published 2022-05-16CVE-2021-27446: The Weintek cMT product line is vulnerable to code injection, which may allow an unauthenticated remote attacker to execute commands with root privileges on…
PriorityP269critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
2.64%
83.7th percentile
The Weintek cMT product line is vulnerable to code injection, which may allow an unauthenticated remote attacker to execute commands with root privileges on the operation system.
Affected
23 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| weintek | cmt-ctrl01 | >= unspecified < 20210302 | 20210302 |
| weintek | cmt-ctrl01_firmware | < 20210302 | 20210302 |
| weintek | cmt-fhd | >= unspecified < 20210208 | 20210208 |
| weintek | cmt-fhd_firmware | < 20210208 | 20210208 |
| weintek | cmt-g01_firmware | < 20210209 | 20210209 |
| weintek | cmt-g01_g02 | >= unspecified < 20210209 | 20210209 |
| weintek | cmt-g02_firmware | < 20210209 | 20210209 |
| weintek | cmt-g03_firmware | < 20210222 | 20210222 |
| weintek | cmt-g03_g04 | >= unspecified < 20210222 | 20210222 |
| weintek | cmt-g04_firmware | < 20210222 | 20210222 |
| weintek | cmt-hdm | >= unspecified < 20210204 | 20210204 |
| weintek | cmt-hdm_firmware | < 20210204 | 20210204 |
| weintek | cmt-svr-100_firmware | < 20210305 | 20210305 |
| weintek | cmt-svr-102_firmware | < 20210305 | 20210305 |
| weintek | cmt-svr-1xx_2xx | >= unspecified < 20210305 | 20210305 |
| weintek | cmt-svr-200_firmware | < 20210305 | 20210305 |
| weintek | cmt-svr-202_firmware | < 20210305 | 20210305 |
| weintek | cmt3071_cmt3072_cmt3090_cmt3103_cmt3151 | >= unspecified < 20210218 | 20210218 |
| weintek | cmt3071_firmware | < 20210218 | 20210218 |
| weintek | cmt3072_firmware | < 20210218 | 20210218 |
| weintek | cmt3090_firmware | < 20210218 | 20210218 |
| weintek | cmt3103_firmware | < 20210218 | 20210218 |
| weintek | cmt3151_firmware | < 20210218 | 20210218 |
Detection & IOCsextracted from sources · hover to see the quote
- →CVE-2021-27446 is a code injection vulnerability in Weintek cMT product line allowing unauthenticated remote attackers to execute commands with root privileges; CVSS v3 score is 10.0 (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H) ↗
- →Exploitation requires no authentication, no user interaction, and low skill level — prioritize detection of anomalous remote access to cMT devices on the network ↗
- →No known public exploits were available at time of advisory publication (March 23, 2021); monitor threat intel feeds for emerging PoC activity ↗
- ·CVE-2021-27446 (code injection) co-exists with CVE-2021-27444 (improper access control, CVSS 9.8) and CVE-2021-27442 (XSS, CVSS 9.4) on the same product line — all three should be remediated together ↗
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.010.0CRITICALAV:N/AC:L/Au:N/C:C/I:C/A:C
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CISA ICS
Weintek EasyWeb cMT
cisa_ics·2021-03-23·CVSS 9.8
[CRITICAL] Weintek EasyWeb cMT
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
Weintek EasyWeb cMT
Last RevisedMarch 23, 2021
Alert CodeICSA-21-082-01
## 1. EXECUTIVE SUMMARY
- CVSS v3 10.0
- ATTENTION: Exploitable remotely/low skill level to exploit
- Vendor: Weintek
- Equipment: cMT
- Vulnerabilities: Code Injection, Improper Access Control, Cross-site Scripting
## 2. RISK EVALUATION
Successful exploitation of these vulnerabilities could allow an unauthenticated remote attacker to access sensitive information and execute arbitrary code to gain root privileges.
## 3. TECHNICAL DETAILS
## 3.1 AFFECTED PRODUCTS
The following models and OS versions
GHSA
GHSA-7r8g-jh99-cmrq: The Weintek cMT product line is vulnerable to code injection, which may allow an unauthenticated remote attacker to execute commands with root privile
ghsa_unreviewed·2022-05-17
CVE-2021-27446 [CRITICAL] CWE-94 GHSA-7r8g-jh99-cmrq: The Weintek cMT product line is vulnerable to code injection, which may allow an unauthenticated remote attacker to execute commands with root privile
The Weintek cMT product line is vulnerable to code injection, which may allow an unauthenticated remote attacker to execute commands with root privileges on the operation system.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2022-05-16
Published