What is CVE-2013-4110?

CVE-2013-4110 is a medium-severity vulnerability in Cryptocat, classified under Information Disclosure. CVSS score: 5.3/10. Published 2019-11-05.

How severe is CVE-2013-4110?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Cryptocat

CVE-2013-4110

Cryptocat has an Unspecified Chat Participant User List Disclosure

Vulnerability class: Information Disclosure

Published 2019-11-05 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.020 (79.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Cryptocat — versions Fixed in 2.0
Cryptocat Project

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.openwall.com/lists/oss-security/2013/07/10/15 (Mailing List, Third Party Advisory)
tobtu.com/decryptocat.php (Product)
www.securityfocus.com/bid/61117 (VDB Entry, Third Party Advisory)
vuldb.com/ (Permissions Required)

Frequently asked questions

What is CVE-2013-4110?: CVE-2013-4110 is a medium-severity vulnerability in Cryptocat, classified under Information Disclosure. CVSS score: 5.3/10. Published 2019-11-05.
How severe is CVE-2013-4110?: Medium severity. CVSS v3 base score is 5.3 out of 10.