CVE-2023-49262
Buffer overflow vulnerability in Cookie authentication field
The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session.
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
The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session.
- Record
CVE-2023-49262- 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-190, CWE-287
- Updated
- 2026-11-02
CVE List
Buffer overflow vulnerability in Cookie authentication field
The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session.
- Record
CVE-2023-49262- 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-190
- Updated
- 2026-11-02
EUVDEUVD-2023-53264
The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session.
- Record
EUVD-2023-53264- 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8p4h-69c2-3352
The authentication mechanism can be bypassed by overflowing the value of the Cookie ...
The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session.
- Record
GHSA-8p4h-69c2-3352- 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-190, CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-49262 is a critical vulnerability (CVSS 9.8) in Hongdian H8951-4g-esp, published January 12, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.67%, the 52nd percentile. No source names a fixed version.