Cross-site scripting in Acronis Cyber Protect 16
Priority LOW 27CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Stored cross-site scripting (XSS) vulnerability due to missing origin validation in postMessage. The following products are affected: Acronis Cyber Protect 16 (Linux, Windows) before build 39169.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00294 22nd percentileScored 2026-11-07
Fix Fixed Acronis Cyber Protect 16 (Acronis): 39169
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Acronis | Acronis Cyber Protect 16 | before 39169 | 39169 | Patch available | CNA |
- Acronis Cyber Protect 16 VendorAcronis Affected before 39169 Fixed in 39169 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:acronis:cyber_protect:*:*:*:*:*:*:*:* | up to 15 | Vulnerable | Acronis |
| cpe:2.3:a:acronis:cyber_protect:16:-:*:*:*:*:*:* | 16 | Vulnerable | Acronis |
| cpe:2.3:a:acronis:cyber_protect:16:update1:*:*:*:*:*:* | 16 update1 | Vulnerable | Acronis |
| cpe:2.3:a:acronis:cyber_protect:16:update2:*:*:*:*:*:* | 16 update2 | Vulnerable | Acronis |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:acronis:cyber_protect:*:*:*:*:*:*:*:* Versions up to 15 Vulnerable ·Acronis
- cpe:2.3:a:acronis:cyber_protect:16:-:*:*:*:*:*:* Versions 16 Vulnerable ·Acronis
- cpe:2.3:a:acronis:cyber_protect:16:update1:*:*:*:*:*:* Versions 16 update1 Vulnerable ·Acronis
- cpe:2.3:a:acronis:cyber_protect:16:update2:*:*:*:*:*:* Versions 16 update2 Vulnerable ·Acronis
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
- Fix · CNA Acronis Cyber Protect 16 (Acronis) Fixed in 39169
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Acronis Cyber Protect 16 39169
6 records Highest priority Priority LOW 6 LOW
Other records, highest priority first
- TI-2024-36870 Uncontrolled search path in Acronis Cyber Protect 16Priority LOW 35
- TI-2024-36867 Uncontrolled search path in Acronis Cyber Protect 16Priority LOW 35
- TI-2024-37343 Insufficient session expiration in Acronis Cyber Protect 16Priority LOW 29
Timeline
- 2026-10-02 Threatist record created from CVE-2024-55541
- 2026-10-03 Alias added: GHSA-p4mj-rcrm-4875
References
Advisory 1
More Acronis Cyber Protect vulnerabilities
- TI-2022-03146 Improper privilege management in Acronis Cyber Protect 15 CVSS 3.1HIGH 8.8
- TI-2025-21714 Weak authentication in Acronis Cyber Protect 16 CVSS 3.0CRITICAL 10.0
- TI-2025-21713 Weak authentication in Acronis Cyber Protect 16 CVSS 3.0CRITICAL 10.0
- TI-2025-21717 Missing authorization in Acronis Cyber Protect 16 CVSS 3.0CRITICAL 10.0
- TI-2023-23738 Authorization bypass in Acronis Cyber Protect 15 CVSS 3.1CRITICAL 9.1
- TI-2026-22921 Weak authentication in Acronis Cyber Protect 17 CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-55541 · CVE Program
- CVE-2024-55541 · NVD
- FIRST EPSS
- GHSA-p4mj-rcrm-4875 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences