Security readout for executives and security teams
Plain-English summary
This is a historical Cryptocat privacy vulnerability involving disclosure of the chat participant user list. The bundle says the issue was fixed in Cryptocat 2.0, but does not provide severity, CVSS, CWE, or detailed impact. Treat it as a confidentiality concern for any remaining pre-2.0 Cryptocat use.
Executive priority
Prioritize as a targeted cleanup item, not an emergency, unless Cryptocat was used for sensitive communications and old clients remain. The main business concern is privacy exposure, but the source evidence is too sparse to quantify severity.
Technical view
CVE-2013-4110 describes an unspecified user-list disclosure in Cryptocat. Available metadata identifies Cryptocat as affected and states it was fixed in 2.0. The provided sources do not describe the underlying bug class, prerequisites, authentication requirements, or reliable impact boundaries.
Likely exposure
Exposure is likely limited to historical or retained Cryptocat installations before version 2.0. Organizations with no Cryptocat use are unlikely to be affected. The source bundle does not identify affected platforms, deployment modes, or downstream packages.
Exploitation context
The CVE is not listed as KEV in the bundle. The provided references are public, but the bundle does not establish active exploitation, exploit maturity, attacker prerequisites, or weaponized use in the wild.
Researcher notes
The record lacks CVSS, CWE, exploit prerequisites, affected platform detail, and root-cause description. Do not infer a broader cryptographic break from this CVE alone. The only clear remediation marker in the bundle is fixed in Cryptocat 2.0.
Mitigation direction
- Inventory any Cryptocat use across endpoints, browsers, and retained systems.
- Upgrade Cryptocat to version 2.0 or later where still used.
- Remove unsupported or unnecessary Cryptocat installations.
- Check project or vendor guidance before assuming complete remediation.
- Avoid sensitive use until affected versions are ruled out.
Validation and detection
- Confirm installed Cryptocat versions on managed and unmanaged endpoints.
- Review software inventory for versions earlier than 2.0.
- Check browser extension records if Cryptocat was deployed that way.
- Document systems remediated, removed, or confirmed unaffected.
- Retain evidence that no pre-2.0 clients remain.
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-2013-4110 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/61117CVE reference · x_refsource_MISC
- https://vuldb.com/?id.9446CVE 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.