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CVE-2012-4122
The CLI parser in Cisco NX-OS allows local users to bypass intended access restrictions, and overwrite or create arbitrary files, via…
Medium6.2EPSS 0.31%
- Published
- Updated
- Reserved
- Assigned by
- cisco
Description
The CLI parser in Cisco NX-OS allows local users to bypass intended access restrictions, and overwrite or create arbitrary files, via shell output redirection, aka Bug IDs CSCts56672 and CSCts56669.
Timeline
ID reserved
By cisco
- 14 months later
· 14 months later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.2 | AV:L/AC:L/Au:S/C:N/I:C/A:C |
- EPSS (exploitation in 30 days)
- 0.31% · top 76% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.2.
Weakness
Affected products
n/a
- affected n/a
References (4)
- 98121 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- cisco-nxos-cve20124122-file-overwrite(87672) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20131004 Cisco NX-OS Software Input Validation Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- 62843 (opens in a new tab)vdb-entryx_refsource_BIDx_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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-4122)Record last updated .