DoS in APROLs Tbase server
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.6%
exploitation probability
0.6%top 54% of all CVEs
observed exploitation
nono source reports it
B&R APROL versions < R 4.2-07 doesn’t process correctly specially
formatted data packages sent to port 55502/tcp, which may allow a network based
attacker to cause an application Denial-of-Service.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
B&R Industrial Automation · B&R APROL