Acronis Cyber Infrastructure (ACI) Insecure Default Password Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2024-07-29
• EPSS: 53% chance of exploitation in the next 30 days (higher than 99% of CVEs)
• Critical severity: CVSS 9.8

[ Description ]Official description

Remote command execution due to use of default passwords. The following products are affected: Acronis Cyber Infrastructure (ACI) before build 5.0.1-61, Acronis Cyber Infrastructure (ACI) before build 5.1.1-71, Acronis Cyber Infrastructure (ACI) before build 5.2.1-69, Acronis Cyber Infrastructure (ACI) before build 5.3.1-53, Acronis Cyber Infrastructure (ACI) before build 5.4.4-132.

CISA: Acronis Cyber Infrastructure (ACI) allows an unauthenticated user to execute commands remotely due to the use of default passwords.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 19 Aug 2024): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• security-advisory.acronis.com/advisories/SEC-6452Vendor Advisory
• www.securityweek.com/acronis-product-vulnerability-exploited-in-the-wildPress/Media Coverage
• www.cisa.gov/known-exploited-vulnerabilities-catalogThird Party AdvisoryUS Government Resource