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VULNERABILITIES

CVE-2021-33393 Details

Description

lfs/backup in IPFire 2.25-core155 does not ensure that /var/ipfire/backup/bin/backup.pl is owned by the root account. It might be owned by an unprivileged account, which could potentially be used to install a Trojan horse backup.pl script that is later executed by root. Similar problems with the ownership/permissions of other files may be present as well.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://packetstormsecurity.com/files/163158/IPFire-2.25-Remote-Code-Execution.html CVEExploitThird Party AdvisoryVDB Entry
https://github.com/ipfire/ipfire-2.x/commit/6769d909306d7bdc43d64598872126fcf1b217f6 CVEPatchThird Party Advisory
https://github.com/ipfire/ipfire-2.x/commits/master?since=2021-05-17&until=2021-05-17 CVEThird Party Advisory
https://github.com/MucahitSaratar/ipfire-2-25-auth-rce CVEExploitThird Party Advisory
http://packetstormsecurity.com/files/163158/IPFire-2.25-Remote-Code-Execution.html [email protected]ExploitThird Party AdvisoryVDB Entry

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-OtherWeakness Not in a Standard CWE Category[email protected]

Affected Products

ProductVersions
ipfire ipfire
< 2.25
2.25 core_update141
2.25 core_update142
2.25 core_update143
2.25 core_update144

CPE

  • cpe:2.3:a:ipfire:ipfire:*:*:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update141:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update142:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update143:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update144:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update145:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update146:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update147:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update148:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update149:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update150:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update151:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update152:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update155:*:*:*:*:*:*
  • cpe:2.3:a:ipfire:ipfire:2.25:core_update156:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-33393
NVD Published Date:
Jun 9, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-33393 Details - Not Deferred