CVE-2017-1000420 json
Syncthing vulnerable to symlink traversal and arbitrary file overwrite
published 2018-01-02 8 y ago modified 2026-06-17 4 mo ago also GHSA-28xp-g7f6-7mhf , EUVD-2022-1945
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
Syncthing version 0.14.33 and older is vulnerable to symlink traversal resulting in arbitrary file overwrite
Patch / fix
- syncthing Debian 14, Debian 13, Debian 12 0.14.36+ds1-1
debian advisories DEBIAN-CVE-2017-1000420
Exploit prediction
1.51% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:N/I:P/A:P |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/syncthing/syncthing | <=0.14.33 |
no fix listed |
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
-
github.com
/syncthing/syncthing/issues/4286
web, issue-tracking, patch, third-party-advisory
-
github.com
/syncthing/syncthing/commit/f1f21bf22020d9b881478c2e942ba6943c8da2f3
web
-
nvd.nist.gov
/vuln/detail/CVE-2017-1000420
advisory
-
github.com
/syncthing/syncthing
package
Sources
- CVE List CVE-2017-1000420
- GitHub Advisory GHSA-28xp-g7f6-7mhf
- NVD CVE-2017-1000420
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.