The arq_updater binary in Arq 5.10 and earlier for Mac allows local users to write to arbitrary files and consequently gain root privileges via a crafted update URL, as demonstrated by file:///tmp/blah/Arq.zip
Published Jan 31, 2018
7.8
HIGHCVSS 3.0
EPSS 0.99%
Description
The arq_updater binary in Arq 5.10 and earlier for Mac allows local users to write to arbitrary files and consequently gain root privileges via a crafted update URL, as demonstrated by file:///tmp/blah/Arq.zip.
Affected products
No data.
- ≤ 5.10
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.99% (0.00990) | 61.16th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.99% (0.00990) | 61.01th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00062) | 27.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00063) | 25.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.83% (0.01832) | 77.15th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.83% (0.01832) | 54.44th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.29% (0.00291) | 2.73th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.29% (0.00291) | 0.00th | v1 |
References (3)
- http://packetstormsecurity.com/files/146158/Arq-5.10-Local-Privilege-Escalation.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://m4.rkw.io/blog/two-local-root-privesc-bugs-in-arq-backup--510.html x_refsource_MISCThird Party Advisory
- https://www.exploit-db.com/exploits/43925/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/146158/Arq-5.10-Local-Privilege-Escalation.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| https://m4.rkw.io/blog/two-local-root-privesc-bugs-in-arq-backup--510.html | x_refsource_MISCThird Party Advisory | |
| https://www.exploit-db.com/exploits/43925/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.