CVE-2013-4101

Cryptocat before 2.0.22 Link Markup Decorator HTML Handling Weakness

Published: 2019-11-04 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-4101 is rated Moderate Risk (42.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.41%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-4101

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 0.19% 0.41% +0.23%
2 2023-03-07 0.95% 0.19% -0.77%
3 2022-02-04 0.95%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4101

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2013-4101

Affected software / configurations for CVE-2013-4101

Vendor Product Version Raw CPE
cryptocat_project cryptocat < 2.0.22 cpe:2.3:a:cryptocat_project:cryptocat:*:*:*:*:*:*:*:*

References for CVE-2013-4101

URL Tags
https://tobtu.com/decryptocat.php Product
https://www.openwall.com/lists/oss-security/2013/07/10/15 Mailing List Third Party Advisory
https://www.securityfocus.com/bid/61098 Third Party Advisory VDB Entry
cvelogic Threat Intelligence