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CVE-2013-4102

24
FAUCET Score

CVE-2013-4102 describes a critical weakness in Cryptocat before version 2.0.22, where the strophe.js library used Math.random() for generating random numbers, leading to predictable cryptographic keys. This vulnerability carries a CVSS score of 9.1 (CRITICAL), indicating that it can be exploited remotely with low complexity, potentially leading to complete compromise of confidentiality and integrity without user interaction. Despite its high severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.22CPE matchmatch criteria
cpe:2.3:a:cryptocat_project:cryptocat:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.97%
Probability of exploitation in next 30 days
EPSS Percentile
78.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0197 is in the 67th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

tobtu.com / decryptocat.php
Product
vuldb.com
Third Party Advisory
openwall.com / lists/oss-security/2013/07/10/15
Mailing ListThird Party Advisory
securityfocus.com / bid/61095
Third Party AdvisoryVDB Entry