CVE-2013-4100
Cryptocat before 2.0.22 has Remote Denial of Service via username
Cryptocat before 2.0.22 has Remote Denial of Service via username
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
NVD Score used
Cryptocat before 2.0.22 has Remote Denial of Service via username
- Record
CVE-2013-4100- 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 - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Cryptocat before 2.0.22 has Remote Denial of Service via username
- Record
CVE-2013-4100- Updated
- 2026-11-02
EUVDEUVD-2013-4031 No score
Cryptocat before 2.0.22 has Remote Denial of Service via username
- Record
EUVD-2013-4031- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r75p-3r7g-wv56
Cryptocat before 2.0.22 has Remote Denial of Service via username
Cryptocat before 2.0.22 has Remote Denial of Service via username
- Record
GHSA-r75p-3r7g-wv56- 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-20
- 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-2013-4100 is a high vulnerability (CVSS 7.5) in Cryptocat Project Cryptocat, published November 4, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.36%, the 83rd percentile. No source names a fixed version.