Security readout for executives and security teams
Plain-English summary
Cryptocat’s Chrome extension before 2.0.22 had an information disclosure issue tied to img/keygen.gif. The public CVE data does not explain what information was exposed, how broadly, or whether real-world compromise occurred. Treat this mainly as a legacy encrypted-chat exposure review item.
Executive priority
Low immediate urgency unless legacy Cryptocat use is discovered. Prioritize confirmation through browser extension inventory, then close exposure by removal or documented upgrade.
Technical view
CVE-2013-2261 affects Cryptocat Chrome Extension versions before 2.0.22. The record identifies an information disclosure involving img/keygen.gif, but provides no CVSS score, CWE, CPE, or detailed attack conditions. CISA KEV is false in the supplied bundle.
Likely exposure
Likely limited to environments that installed or retained the Cryptocat Chrome Extension before version 2.0.22. Exposure cannot be confirmed from CPE data because none is supplied.
Exploitation context
The supplied sources do not establish active exploitation. The CVE references public discussion and a DecryptoCat page, but the bundle does not provide enough detail to validate exploitability or impact mechanics.
Researcher notes
The evidence is sparse. The CVE description names only img/keygen.gif and information disclosure. No CVSS, CWE, CPE, affected vendor string, or exploit status is present in the supplied bundle, so impact should not be overstated.
Mitigation direction
- Identify and remove Cryptocat Chrome Extension versions before 2.0.22.
- Upgrade to version 2.0.22 or later where still relevant and vendor guidance supports it.
- Review historical use where sensitive communications depended on affected Cryptocat versions.
- Check vendor or archival project guidance before assuming a complete fix path.
Validation and detection
- Inventory managed and unmanaged browsers for legacy Cryptocat Chrome Extension installations.
- Confirm detected Cryptocat versions are not earlier than 2.0.22.
- Review historical endpoint images or browser extension inventories for prior affected use.
- Document any sensitive workflows that depended on affected versions.
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-2013-2261 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/61090CVE 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.