Security readout for executives and security teams
Plain-English summary
Cryptocat versions before 2.0.22 had a weakness in how link markup handled HTML. The main business risk is legacy use of an old secure-chat client for sensitive conversations. The provided bundle does not include severity scoring, CWE mapping, or confirmed active exploitation.
Executive priority
Treat this as a legacy exposure check, not an emergency, unless Cryptocat is still used for confidential communications. Prioritize inventory and retirement or upgrade of unsupported old clients.
Technical view
The CVE describes a Cryptocat pre-2.0.22 HTML handling weakness in the Link Markup Decorator. The bundle does not provide CVSS, CWE, affected platform details, exploit prerequisites, or patch notes beyond the fixed version boundary implied by “before 2.0.22.”
Likely exposure
Exposure is likely limited to organizations or users still running Cryptocat versions before 2.0.22. The bundle does not identify server-side exposure, specific operating systems, or downstream packaged products.
Exploitation context
CISA KEV status is false in the provided bundle. The cited sources do not, within this bundle, establish active exploitation, public weaponization, or real-world incident use.
Researcher notes
The evidence is sparse: no CVSS, CWE, exploit status, or detailed vendor advisory is included. Analysis should stay bounded to Cryptocat before 2.0.22 and the named HTML handling weakness.
Mitigation direction
- Inventory any remaining Cryptocat installations and determine exact versions.
- Upgrade Cryptocat to version 2.0.22 or later where still used.
- If upgrade is impossible, retire legacy Cryptocat use for sensitive communications.
- Check original vendor or project guidance for authoritative remediation details.
Validation and detection
- Confirm installed Cryptocat versions are not earlier than 2.0.22.
- Review endpoint software inventories for legacy Cryptocat clients.
- Check browser extension or packaged app records where applicable.
- Document whether Cryptocat is still used for sensitive business communication.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2013-4101 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.openwall.com/lists/oss-security/2013/07/10/15CVE reference · x_refsource_MISC
- https://tobtu.com/decryptocat.phpCVE reference · x_refsource_MISC
- https://www.securityfocus.com/bid/61098CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.