CVE-2016-6253

highpriority · track · 42EPSS 0.035 · 89 %ileexploit · weaponizedEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

3 exploits · weaponized

Likely / severe?

3.53% (89th) EPSS

CVSS 7.2 · high

Is it mine?

18 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.07.8highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v3.07.6highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Fsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-59USprimaryCWE-59US

exploits (3)

Public proof-of-concept and weaponised exploit code.

exploit/unix/local/netbsd_mail_localNetBSD mail.local Privilege Escalationweaponized · metasploit
EDB-40141NetBSD - 'mail.local(8)' Local Privilege Escalationfunctional · exploit_db
EDB-40385NetBSD - 'mail.local(8)' Local Privilege Escalation (Metasploit)functional · exploit_db

affected products (18)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
The NetBSD Project NetBSD≤ 7.0fstec_bduRU
The NetBSD Project NetBSD≤ 6.1-6.1.5fstec_bduRU
The NetBSD Project NetBSD≤ 6.0-6.0.6fstec_bduRU
netbsd netbsd= 6.0nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 6.0.1nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 6.0.2nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 6.0.3nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 6.0.4nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 6.0.5nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 6.0.6nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 6.1nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 6.1.1nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 6.1.2nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 6.1.3nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 6.1.4nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 6.1.5nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 7.0nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*

also known as (9)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2017-01-20modified 2026-06-17

related (2,372)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-81963US	high7.8OT critical	0.39% (33rd)	KEV	2026-09-08
Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.
CVE-2026-41091US	—OT critical	8.20% (95th)	KEV	2026-05-20
Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to elevate privileges locally.
CVE-2025-60710US	—OT critical	4.61% (92nd)	KEV	2025-11-11
Improper link resolution before file access ('link following') in Host Process for Windows Tasks allows an authorized attacker to elevate privileges locally.
CVE-2025-48384US	—OT critical	4.38% (91st)	KEV	2025-07-08
Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals. When reading…
CVE-2025-21391US	—OT critical	2.28% (83rd)	KEV	2025-02-11
Windows Storage Elevation of Privilege Vulnerability

+2367 more

references (24)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan