CVE-2007-4560
HighPublic exploitclamav-milter in ClamAV before 0.91.2, when run in black hole mode, allows remote attackers to execute arbitrary commands via shell metacharacters that are used in a certain popen call, involving the "recipient field of sendmail."
Published Aug 28, 2007 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2007-4560
Key Facts
Patch immediately- CVE-2007-4560 is a high-severity vulnerability (CVSS 7.6 v2) affecting Clamav (Clam Anti-Virus).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 84% probability of exploitation in the next 30 days.
- Fixed versions are available, including Clamav 0.91.1, Clamav 0.90.1-3etch7, Clamav 0.91.2-1~volatile1.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.6
AV:N/AC:H/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
84%
Higher than 99.6% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
clamav-milter in ClamAV before 0.91.2, when run in black hole mode, allows remote attackers to execute arbitrary commands via shell metacharacters that are used in a certain popen call, involving the "recipient field of sendmail."
Affected Products
12 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ClamavClam Anti-Virus | See advisory | 0.91.1 |
Patched Releases
Clamav
0.91.1, 0.90.1-3etch7, 0.91.2-1~volatile1
Timeline
Publicly disclosed
Aug 28, 2007
Last updated
Aug 4, 2026
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
FAQ
Common Questions.
clamav-milter in ClamAV before 0.91.2, when run in black hole mode, allows remote attackers to execute arbitrary commands via shell metacharacters that are used in a certain popen call, involving the "recipient field of sendmail."
Affected: Clamav (Clam Anti-Virus). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Clamav 0.91.1, Clamav 0.90.1-3etch7, Clamav 0.91.2-1~volatile1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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