The (1) arq_updater, (2) arqcommitter, (3) standardrestorer, (4) arqglacierrestorer, and (5) arqs3glacierrestorer helper apps in Arq 5.x before 5.10 for Mac allow local users to gain root privileges via a crafted data packet.
Conclusion & alert: CVE-2017-16895 is rated High Exploit Risk (64.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.28%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 43216 | exploit_db | edb | 2017-12-06 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-10 | 0.39% | 0.28% | -0.10% |
| 2 | 2025-09-29 | 0.52% | 0.39% | -0.14% |
| 3 | 2025-03-30 | — | 0.52% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| URL | Tags |
|---|---|
| https://m4.rkw.io/blog/cve201716895-local-root-privesc-in-arq-backup--597.html | Third Party Advisory |
| https://www.arqbackup.com/blog/arq-mac-import-security-update/ | Broken Link |
| https://www.exploit-db.com/exploits/43216/ | Third Party Advisory VDB Entry |