CVE-2024-27448
MailDev Remote Code Execution
MailDev 2 through 2.1.0 allows Remote Code Execution via a crafted Content-ID header for an e-mail attachment, leading to lib/mailserver.js writing arbitrary code into the routes.js file.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
9.1
MailDev 2 through 2.1.0 allows Remote Code Execution via a crafted Content-ID header for an e-mail attachment, leading to lib/mailserver.js writing arbitrary code into the routes.js file.
- Record
CVE-2024-27448- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
EUVDEUVD-2024-1309
9.1
MailDev 2 through 2.1.0 allows Remote Code Execution via a crafted Content-ID header for an e-mail attachment, leading to lib/mailserver.js writing arbitrary code into the routes.js file.
- Record
EUVD-2024-1309- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vc6q-ccj9-9r89
9.8
MailDev Remote Code Execution
MailDev 2 through 2.1.0 allows Remote Code Execution via a crafted Content-ID header for an e-mail attachment, leading to lib/mailserver.js writing arbitrary code into the routes.js file.
- Record
GHSA-vc6q-ccj9-9r89- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22, CWE-352
- Updated
- 2026-11-02
NVD
9.1
MailDev 2 through 2.1.0 allows Remote Code Execution via a crafted Content-ID header for an e-mail attachment, leading to lib/mailserver.js writing arbitrary code into the routes.js file.
- Record
CVE-2024-27448- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
OSV
9.1
MailDev 2 through 2.1.0 allows Remote Code Execution via a crafted Content-ID header for an e-mail attachment, leading to lib/mailserver.js writing arbitrary code into the routes.js file.
- Record
CVE-2024-27448- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-vc6q-ccj9-9r89
9.8
MailDev Remote Code Execution
MailDev 2 through 2.1.0 allows Remote Code Execution via a crafted Content-ID header for an e-mail attachment, leading to lib/mailserver.js writing arbitrary code into the routes.js file.
- Record
GHSA-vc6q-ccj9-9r89- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22, CWE-352
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
maildevnpm |
2.0.0-beta1 to 2.1.0 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-27448 is a critical vulnerability (CVSS 9.1) in Maildev, published April 5, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.90%, the 60th percentile. No source names a fixed version.
References
github.com/Tim-Hoekstra/MailDev-2.1.0-Exploit-RCE
github.com/maildev/maildev/releases
intrix.com.au/articles/exposing-major-security-flaw-in-maildev
github.com/maildev/maildev/issues/467
gist.github.com/stypr/fe2003f00959f7e3d92ab9d5260433f8
nvd.nist.gov/vuln/detail/CVE-2024-27448
github.com/advisories/GHSA-vc6q-ccj9-9r89
github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27448.json
github.com/maildev/maildev