Critical severity · published Oct 4, 2021
CVE-2021-23857
Login with hash: The login routine allows the client to log in to the system not by using the password, but by using the hash of the password
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
Login with hash: The login routine allows the client to log in to the system not by using the password, but by using the hash of the password. Combined with CVE-2021-23858, this allows an attacker to subsequently login to the system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RI
Rexroth Indramotion Mlc L20 Firmware · Bosch
through 12 · source: NVD
RI
Rexroth Indramotion Mlc L25 Firmware · Bosch
through 12 · source: NVD
RI
Rexroth Indramotion Mlc L40 Firmware · Bosch
through 12 · source: NVD
RI
Rexroth Indramotion Mlc L45 Firmware · Bosch
through 12 · source: NVD
RI
Rexroth Indramotion Mlc L65 Firmware · Bosch
through 12 · source: NVD
RI
Rexroth Indramotion Mlc L75 Firmware · Bosch
through 12 · source: NVD
RI
Rexroth Indramotion Mlc L85 Firmware · Bosch
through 12 · source: NVD
RI
Rexroth Indramotion Mlc Xm21 Firmware · Bosch
through 12 · source: NVD
RI
Rexroth Indramotion Mlc Xm22 Firmware · Bosch
through 12 · source: NVD
RI
Rexroth Indramotion Mlc Xm41 Firmware · Bosch
through 12 · source: NVD
RI
Rexroth Indramotion Mlc Xm42 Firmware · Bosch
through 12 · source: NVD
RI
Rexroth Indramotion Xlc Firmware · Bosch
through 12 · source: NVD
Affected product
RI
Rexroth Indramotion Mlc L20 Firmware
Bosch
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23857
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23857
Vendor Advisory
https://psirt.bosch.com/security-advisories/bosch-sa-741752.html
More from Rexroth Indramotion Mlc L20 Firmware
7.5
CVE-2021-23858
Information disclosure: The main configuration, including users and their hashed passwords, is exposed by an unprotected web server resource and can be accessed without…
6.1
CVE-2021-23856
The web server is vulnerable to reflected XSS and therefore an attacker might be able to execute scripts on a client’s computer by sending the client a manipulated URL