SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-22640

An attacker can decrypt the Ovarro TBox login password by communication capture and brute force attacks.

CRITICAL 9.8EPSS 0.77%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An attacker can decrypt the Ovarro TBox login password by communication capture and brute force attacks.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.77% probability · 54th percentile
CISA KEV
Not listed
Weakness
CWE-294, CWE-307, CWE-522
Affected
ovarro/twinsoft · ovarro/tbox lt2-530 firmware · ovarro/tbox lt2-532 firmware · ovarro/tbox lt2-540 firmware · ovarro/tbox ms-cpu32 firmware · ovarro/tbox ms-cpu32-s2 firmware · ovarro/tbox rm2 firmware · ovarro/tbox tg2 firmware
Source
ics-cert@hq.dhs.gov

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.