CVE-2018-20303 json
Gogs Directory Traversal
published 2018-12-20 7 y ago modified 2026-06-17 4 mo ago also GHSA-9hxg-w7qf-hh93 , EUVD-2022-3398
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.3%
- EPSS 3.3% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
In pkg/tool/path.go in Gogs before 0.11.82.1218, a directory traversal in the file-upload functionality can allow an attacker to create a file under data/sessions on the server, a similar issue to CVE-2018-18925.
Patch / fix
- go gogs.io/gogs 0.11.80-0.20181218063808-ff93d9dbda5c
- gogs gogs 0.11.82.1218
- github.com/gogs/gogs@ff93d9d commit
- github.com/gogs/gogs/issues/5558 advisory
Exploit prediction
3.29% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- pentesterlab.com https://pentesterlab.com/exercises/cve-2018-18925/ referenced PoC, tagged "exploit" by a source, unverified
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 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| 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 | gogs.io/gogs | <0.11.80-0.20181218063808-ff93d9dbda5c |
0.11.80-0.20181218063808-ff93d9dbda5c |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/gogs/gogs/commit/ff93d9dbda5cebe90d86e4b7dfb2c6b8642970ce
web, patch, third-party-advisory
-
github.com
/gogs/gogs/issues/5558
web, issue-tracking, patch, third-party-advisory
-
pentesterlab.com
/exercises/cve-2018-18925/
exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-20303
advisory
-
github.com
/gogs/gogs
package
-
pentesterlab.com
/exercises/cve-2018-18925
web
Sources
- CVE List CVE-2018-20303
- GitHub Advisory GHSA-9hxg-w7qf-hh93
- NVD CVE-2018-20303
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.