CVE-2021-27132
SerComm AG Combo VD625 AGSOT_2.1.0 devices allow CRLF injection (for HTTP header injection) in...
SerComm AG Combo VD625 AGSOT_2.1.0 devices allow CRLF injection (for HTTP header injection) in the download function via the Content-Disposition header.
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
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
SerComm AG Combo VD625 AGSOT_2.1.0 devices allow CRLF injection (for HTTP header injection) in the download function via the Content-Disposition header.
- Record
CVE-2021-27132- 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 - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-74
- Updated
- 2026-11-02
CVE List No score
SerComm AG Combo VD625 AGSOT_2.1.0 devices allow CRLF injection (for HTTP header injection) in the download function via the Content-Disposition header.
- Record
CVE-2021-27132- Updated
- 2026-11-02
EUVDEUVD-2021-13899 No score
SerComm AG Combo VD625 AGSOT_2.1.0 devices allow CRLF injection (for HTTP header injection) in the download function via the Content-Disposition header.
- Record
EUVD-2021-13899- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-24pc-7pxr-jg3q
9.8
SerComm AG Combo VD625 AGSOT_2.1.0 devices allow CRLF injection (for HTTP header injection) in...
SerComm AG Combo VD625 AGSOT_2.1.0 devices allow CRLF injection (for HTTP header injection) in the download function via the Content-Disposition header.
- Record
GHSA-24pc-7pxr-jg3q- 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-74
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Sercomm VD625 Smart Modems - CRLF Injection |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, Nuclei, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27132 is a critical vulnerability (CVSS 9.8) in Sercomm Agcombo Vd625 Firmware, published February 27, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 16.5%, the 97th percentile. No source names a fixed version.