High severity · published Aug 31, 2023
CVE-2023-4299
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment
8.1
CVSS
0.7%
EPSS
No
On KEV
Description
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
CM Firmware · Digi
All versions, or not specified · source: NVD
CE
Connect ES Firmware · Digi
before 2.26.2.4 · source: NVD
CS
Connect SP Firmware · Digi
All versions, or not specified · source: NVD
CL
Connectport Lts 8/16/32 Firmware · Digi
before 1.4.9 · source: NVD
CT
Connectport TS 8/16 Firmware · Digi
before 2.26.2.4 · source: NVD
OI
One IA Firmware · Digi
All versions, or not specified · source: NVD
OI
One Iap Firmware · Digi
All versions, or not specified · source: NVD
OS
One SP Firmware · Digi
All versions, or not specified · source: NVD
OS
One SP IA Firmware · Digi
All versions, or not specified · source: NVD
PF
Passport Firmware · Digi
All versions, or not specified · source: NVD
PT
Portserver TS Firmware · Digi
All versions, or not specified · source: NVD
PT
Portserver TS M Mei Firmware · Digi
All versions, or not specified · source: NVD
Affected product
CF
CM Firmware
Digi
More from CM Firmware
9.8
CVE-2021-36767
In Digi RealPort through 4.10.490, authentication relies on a challenge-response mechanism that gives access to the server password, making the protection ineffective
9.8
CVE-2021-35977
An issue was discovered in Digi RealPort for Windows through 4.8.488.0
8.1
CVE-2021-35979
An issue was discovered in Digi RealPort through 4.8.488.0