CVE-2012-4434
fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash)...
fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.
- Record
CVE-2012-4434- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-276
- Updated
- 2026-11-02
CVE List No score
fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.
- Record
CVE-2012-4434- Updated
- 2026-11-02
EUVDEUVD-2012-4368 No score
fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.
- Record
EUVD-2012-4368- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hh46-vfhf-rqg7 No score
fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash)...
fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.
- Record
GHSA-hh46-vfhf-rqg7- Updated
- 2026-11-02
OSV
fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.
- Record
CVE-2012-4434- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-4434
fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code.
- Record
DEBIAN-CVE-2012-4434- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-4434 is a high vulnerability (CVSS 8.8) in Cipherdyne Fwknop, published January 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.31%, the 88th percentile. Fixed in fwknop 2.0.3-1.