Security readout for executives and security teams
Plain-English summary
Cryptocat before 2.0.22 had an information disclosure flaw in its multiparty encryption scheme. Business risk is mainly confidentiality loss for legacy Cryptocat use, especially group conversations from affected versions. The source bundle does not provide CVSS scoring or evidence of current active exploitation.
Executive priority
Prioritize as a legacy confidentiality review, not an emergency response, unless the organization used affected Cryptocat versions for sensitive communications.
Technical view
CVE-2013-4105 affects Cryptocat versions before 2.0.22. The record describes information disclosure in the multiparty encryption scheme. Public references include oss-security, DecryptoCat, and SecurityFocus, but the bundle does not include detailed vendor remediation text, CWE mapping, or CVSS metrics.
Likely exposure
Exposure is likely limited to organizations that used or retained Cryptocat clients before 2.0.22, or archived communications created with those versions. Modern exposure cannot be inferred from the provided sources.
Exploitation context
CISA KEV status is false in the bundle. Public references existed, including a DecryptoCat page, but the provided sources do not substantiate active exploitation or current exploitation campaigns.
Researcher notes
Evidence is sparse: the CVE describes affected versions and disclosure class but lacks CVSS, CWE, and detailed remediation in the bundle. Avoid asserting active exploitation without additional cited evidence.
Mitigation direction
- Identify any Cryptocat installations or archived deployment records.
- Remove or upgrade Cryptocat versions before 2.0.22.
- Check vendor or project guidance before relying on legacy builds.
- Treat sensitive conversations from affected versions as potentially exposed.
Validation and detection
- Inventory endpoints and archives for Cryptocat version evidence.
- Confirm no clients report versions before 2.0.22.
- Review historical use for sensitive group conversations.
- Document compensating actions where upgrade evidence is unavailable.
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-2013-4105 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/61110CVE 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.