CVE-2017-20005
NGINX before 1.13.6 has a buffer overflow for years that exceed four digits, as demonstrated by a file with a modification date in 1969 that causes an integer overflow (or a false modification date far in the future), when encountered by the autoindex…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
NGINX before 1.13.6 has a buffer overflow for years that exceed four digits, as demonstrated by a file with a modification date in 1969 that causes an integer overflow (or a false modification date far in the future), when encountered by the autoindex module.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.26% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190, CWE-120
- Affected
- f5/nginx · debian/debian linux
- Source
- cve@mitre.org
EPSS 3.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://nginx.org/en/CHANGESRelease Notes, Vendor Advisory
- https://github.com/nginx/nginx/commit/0206ebe76f748bb39d9de4dd4b3fce777fdfdccfPatch, Third Party Advisory
- https://github.com/nginx/nginx/commit/b900cc28fcbb4cf5a32ab62f80b59292e1c85b4bPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00009.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210805-0006/Third Party Advisory
- https://trac.nginx.org/nginx/ticket/1368Exploit, Patch, Vendor Advisory
- http://nginx.org/en/CHANGESRelease Notes, Vendor Advisory
- https://github.com/nginx/nginx/commit/0206ebe76f748bb39d9de4dd4b3fce777fdfdccfPatch, Third Party Advisory
- https://github.com/nginx/nginx/commit/b900cc28fcbb4cf5a32ab62f80b59292e1c85b4bPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00009.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210805-0006/Third Party Advisory
- https://trac.nginx.org/nginx/ticket/1368Exploit, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.