CVE-2004-2721
The CheckGroup function in openSkat VTMF before 2.1 generates public key pairs in which the "p"...
The CheckGroup function in openSkat VTMF before 2.1 generates public key pairs in which the "p" variable might not be prime, which allows remote attackers to determine the private key and decrypt messages.
Exploit likelihood
What each source reports
NVD Score used
The CheckGroup function in openSkat VTMF before 2.1 generates public key pairs in which the "p" variable might not be prime, which allows remote attackers to determine the private key and decrypt messages.
- Record
CVE-2004-2721- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-310
- Updated
- 2026-11-02
CVE List No score
The CheckGroup function in openSkat VTMF before 2.1 generates public key pairs in which the "p" variable might not be prime, which allows remote attackers to determine the private key and decrypt messages.
- Record
CVE-2004-2721- Updated
- 2026-11-02
EUVDEUVD-2004-2711 No score
The CheckGroup function in openSkat VTMF before 2.1 generates public key pairs in which the "p" variable might not be prime, which allows remote attackers to determine the private key and decrypt messages.
- Record
EUVD-2004-2711- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5fhp-v5ch-jvfc No score
The CheckGroup function in openSkat VTMF before 2.1 generates public key pairs in which the "p"...
The CheckGroup function in openSkat VTMF before 2.1 generates public key pairs in which the "p" variable might not be prime, which allows remote attackers to determine the private key and decrypt messages.
- Record
GHSA-5fhp-v5ch-jvfc- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2004-2721 is a medium vulnerability (CVSS 4.3) in Heiko Stamer Openskat, published December 31, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.67%, the 76th percentile. No source names a fixed version.