CVE-2013-4100 json
Cryptocat before 2.0.22 has Remote Denial of Service via username
published 2019-11-04 7 y ago modified 2026-06-16 4 mo ago also EUVD-2013-4031
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
Cryptocat before 2.0.22 has Remote Denial of Service via username
Patch / fix
- cryptocat_project cryptocat 2.0.22
Exploit prediction
2.36% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
openwall.com
/lists/oss-security/2013/07/10/15
mailing-list, third-party-advisory
-
tobtu.com
/decryptocat.php
product
-
vuldb.com
/?id.9439
permissions-required
-
securityfocus.com
/bid/61094
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2013-4100
- NVD CVE-2013-4100
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.