CVE-2022-40139

Trend Micro Apex One and Apex One as a Service: Improper Validation

As of , CVE-2022-40139 in Trend Micro Apex One and Apex One as a Service is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 15 September 2022
US federal deadline
6 October 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.03Higher than 88% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
No score that dayThe EPSS file of the day CISA listed it has no score for it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: success.trendmicro.comLinks below, from CISA's entry.

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Trend Micro Apex One and Apex One as a Service contain an improper validation of rollback mechanism components that could lead to remote code execution.

CISA's description

Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified rollback package, which could lead to remote code execution. Please note: an attacker must first obtain Apex One server administration console access in order to exploit this vulnerability.

The CVE record's description, from trendmicro

CVE published
19 September 2022
Assigned by
trendmicro
CVSS
7.2 High (CVSS 3.1, from CISA-ADP)
CWE-353
Missing Support for Integrity Check
CWE-641
Improper Restriction of Names for Files and Other Resources
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. CISA added it to its list of exploited vulnerabilities.
  2. The CVE record was published.
  3. The US federal deadline to fix it.

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