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CVE-2017-15906
The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows…
Medium5.3EPSS 3.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 3.4% · top 11% of all CVEs (3 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
n/a
- affected n/a
References (9)
- https://www.openssh.com/txt/release-7.6 (opens in a new tab)x_transferred
- 101552 (opens in a new tab)vdb-entryx_transferred
- https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19 (opens in a new tab)x_transferred
- GLSA-201801-05 (opens in a new tab)vendor-advisoryx_transferred
- https://security.netapp.com/advisory/ntap-20180423-0004/ (opens in a new tab)x_transferred
- RHSA-2018:0980 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20180910 [SECURITY] [DLA 1500-1] openssh security update (opens in a new tab)mailing-listx_transferred
- https://www.oracle.com/security-alerts/cpujan2020.html (opens in a new tab)x_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .