CVE-2020-28007
First published: Thu May 06 2021(Updated: )
Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. Because Exim operates as root in the log directory (owned by a non-root user), a symlink or hard link attack allows overwriting critical root-owned files anywhere on the filesystem.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Exim Exim | >=4.00<4.94.2 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2020-28007.
What is the severity of CVE-2020-28007?
The severity of CVE-2020-28007 is high with a CVSS score of 7.8.
What is the affected software?
The affected software is Exim version 4 before 4.94.2.
What is the description of CVE-2020-28007?
CVE-2020-28007 allows execution with unnecessary privileges in Exim 4 before 4.94.2, which can lead to overwriting critical root-owned files.
How can this vulnerability be exploited?
This vulnerability can be exploited through a symlink or hard link attack in the log directory, which allows overwriting critical root-owned files.
- collector/nvd-index
- agent/type
- agent/event
- agent/weakness
- agent/severity
- agent/references
- agent/author
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/exim
- canonical/exim exim
- version/exim exim/4.00