High severity · published Jun 18, 2021
CVE-2021-23845
This vulnerability could allow an attacker to hijack a session while a user is logged in the configuration web page
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
This vulnerability could allow an attacker to hijack a session while a user is logged in the configuration web page. This vulnerability was discovered by a security researcher in B426 and found during internal product tests in B426-CN/B429-CN, and B426-M and has been fixed already starting from version 3.08 on, which was released on June 2019.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BF
B426 Firmware · Bosch
before 03.08 · source: NVD
BF
B426-cn Firmware · Bosch
before 03.08 · source: NVD
BF
B426-m Firmware · Bosch
before 03.10 · source: NVD
BF
B429-cn Firmware · Bosch
before 03.08 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23845
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23845
Vendor Advisory
https://psirt.bosch.com/security-advisories/bosch-sa-196933-bt.html
More from B426 Firmware
5.9
CVE-2021-23846
When using http protocol, the user password is transmitted as a clear text parameter for which it is possible to be obtained by an attacker through a MITM attack