HIGH
mail.local in NetBSD versions 6.0 through 6.0.6, 6.1 through 6.1.5, and 7.0 allows local users to change ownership of or append data to arbitrary files on the target system via a symlink attack on the user mailbox
Published Jan 20, 2017
7.8
HIGHCVSS 3.0
EPSS 3.56%
Description
mail.local in NetBSD versions 6.0 through 6.0.6, 6.1 through 6.1.5, and 7.0 allows local users to change ownership of or append data to arbitrary files on the target system via a symlink attack on the user mailbox.
Affected products
No data.
OR
- 6.0
- 6.0.1
- 6.0.2
- 6.0.3
- 6.0.4
- 6.0.5
- 6.0.6
- 6.1
- 6.1.1
- 6.1.2
- 6.1.3
- 6.1.4
- 6.1.5
- 7.0
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.
7.8 HIGH NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.2 HIGH NVD
AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.56% 0.03563
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03563
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.56% (0.03563) | 88.96th | v5 (v2026.06.15) |
| Sep 22, 2026 | 3.56% (0.03563) | 88.83th | v5 (v2026.06.15) |
| Sep 21, 2026 | 8.40% (0.08398) | 94.80th | v5 (v2026.06.15) |
| Sep 6, 2026 | 3.56% (0.03563) | 88.58th | v5 (v2026.06.15) |
| Sep 5, 2026 | 8.40% (0.08398) | 94.69th | v5 (v2026.06.15) |
| Aug 30, 2026 | 3.56% (0.03563) | 88.52th | v5 (v2026.06.15) |
| Aug 28, 2026 | 8.40% (0.08398) | 94.66th | v5 (v2026.06.15) |
| Aug 24, 2026 | 3.56% (0.03563) | 88.44th | v5 (v2026.06.15) |
| Aug 23, 2026 | 8.40% (0.08398) | 94.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.53% (0.03534) | 87.72th | v5 (v2026.06.15) |
| Oct 5, 2025 | 7.27% (0.07271) | 91.27th | v4 (v2025.03.14) |
| Sep 23, 2025 | 13.70% (0.13698) | 94.05th | v4 (v2025.03.14) |
| May 18, 2025 | 14.95% (0.14950) | 94.16th | v4 (v2025.03.14) |
| Apr 12, 2025 | 21.63% (0.21635) | 95.25th | v4 (v2025.03.14) |
| Mar 30, 2025 | 19.26% (0.19258) | 94.88th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.95% (0.14951) | 90.94th | v4 (v2025.03.14) |
| Mar 19, 2025 | 19.26% (0.19258) | 94.65th | v4 (v2025.03.14) |
| Mar 17, 2025 | 20.28% (0.20282) | 95.05th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00090) | 40.31th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.09% (0.00090) | 38.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00090) | 36.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.32% (0.02320) | 81.41th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.32% (0.02320) | 79.65th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.32% (0.02320) | 58.29th | v2 (v2022.01.01) |
Weaknesses (1)
References (8)
- http://akat1.pl/?id=2 x_refsource_MISCExploitThird Party Advisory
- http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2016-006.txt.asc vendor-advisoryx_refsource_NETBSDVendor Advisory
- http://packetstormsecurity.com/files/138021/NetBSD-mail.local-8-Local-Root.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://www.rapid7.com/db/modules/exploit/unix/local/netbsd_mail_local x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/92101 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036429 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/40141/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/40385/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://akat1.pl/?id=2 | x_refsource_MISCExploitThird Party Advisory | |
| http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2016-006.txt.asc | vendor-advisoryx_refsource_NETBSDVendor Advisory | |
| http://packetstormsecurity.com/files/138021/NetBSD-mail.local-8-Local-Root.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| http://www.rapid7.com/db/modules/exploit/unix/local/netbsd_mail_local | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/bid/92101 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1036429 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/40141/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/40385/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 20, 2017
Updated Aug 6, 2024
Reserved Jul 20, 2016
Link CVE-2016-6253
CISA Vulnrichment
Updated n/a