CVE-2023-30311
An issue discovered in H3C Magic R365 and H3C Magic R100 routers allows attackers to hijack TCP sessions which could lead to a denial of service.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
An issue discovered in H3C Magic R365 and H3C Magic R100 routers allows attackers to hijack TCP sessions which could lead to a denial of service.
- Record
CVE-2023-30311- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2023-34734
An issue discovered in H3C Magic R365 and H3C Magic R100 routers allows attackers to hijack TCP sessions which could lead to a denial of service.
- Record
EUVD-2023-34734- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
NVD
An issue discovered in H3C Magic R365 and H3C Magic R100 routers allows attackers to hijack TCP sessions which could lead to a denial of service.
- Record
CVE-2023-30311- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-30311 is a high vulnerability (CVSS 7.5) in H3c Magic, published May 28, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. No source names a fixed version.