CVE-2007-4993
pygrub (tools/pygrub/src/GrubConf.py) in Xen 3.0.3, when booting a guest domain, allows local users with elevated privileges in the guest…
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
pygrub (tools/pygrub/src/GrubConf.py) in Xen 3.0.3, when booting a guest domain, allows local users with elevated privileges in the guest domain to execute arbitrary commands in domain 0 via a crafted grub.conf file whose contents are used in exec statements.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Exploit-DB1 entry
- Xen 3.0.3 - pygrub TOOLS/PYGRUB/SRC/GRUBCONF.PY Local Command Injection (Exploit-DB entry) (opens in a new tab)
EDB-ID 30620local, linuxpublished 22 Sept 2007Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By redhat
- 7 days later
· 7 days later
Published
- 17 years later
· 17 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 | Medium6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 0.63% · top 49% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Weakness
Affected products
n/a
- affected n/a
References (21)
- MDKSA-2007:203 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- https://issues.rpath.com/browse/RPL-1752 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2007-2270 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 27047 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 26986 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 27486 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 27085 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1068 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 27141 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2007-2708 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 27103 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20071008 rPSA-2007-0210-1 xen (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- RHSA-2007:0323 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 27161 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 25825 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 27072 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:11240 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- FEDORA-2007-713 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- USN-527-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-1384 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- ADV-2007-3348 (opens in a new tab)vdb-entryx_refsource_VUPENx_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)
- EUVD EUVD-2007-4974 (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-2007-4993)Record last updated .