Security readout for executives and security teams
Plain-English summary
TeamPass versions before 3.0.10 mishandled output encoding. In a password-management system, this matters because successful abuse could expose sensitive data, though the CVSS vector indicates an attacker needs low privileges and user interaction.
Executive priority
Treat this as a high-priority password-management application update. It is not documented as actively exploited in the provided sources, but the confidentiality impact and stored-secret context justify prompt remediation.
Technical view
CVE-2023-3552 is CWE-116 improper encoding or escaping of output in nilsteampassnet/teampass before 3.0.10. The assigned CVSS 3.0 score is 7.6, with network attackability, low complexity, low privileges required, user interaction required, changed scope, high confidentiality impact, and low integrity impact.
Likely exposure
Organizations running nilsteampassnet/teampass before 3.0.10 are potentially exposed. Exposure is higher where TeamPass is reachable over the network and low-privileged users can access the affected application paths.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation evidence. The risk is still material because TeamPass stores sensitive secrets and the CVSS score indicates high confidentiality impact.
Researcher notes
Evidence is limited to the CVE record, huntr advisory reference, and upstream commit. Do not assume broader affected products or exploit availability. Focus validation on version state, network reachability, user privilege exposure, and whether the upstream fix is present.
Mitigation direction
- Upgrade nilsteampassnet/teampass to 3.0.10 or later.
- Apply vendor guidance from the huntr advisory and referenced GitHub fix.
- Restrict TeamPass access to trusted networks until upgraded.
- Limit low-privileged accounts to required access only.
- Monitor for suspicious authenticated activity around password-management workflows.
Validation and detection
- Inventory all TeamPass deployments and confirm their exact versions.
- Verify every running instance is 3.0.10 or later.
- Check whether TeamPass is internet-facing or broadly reachable internally.
- Review logs for unusual authenticated access before remediation.
- Confirm any forks or containers include the referenced upstream fix.
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.
CWE-116: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-3552 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
- High
- CVSS
- 7.6 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N2.34.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.6HighVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Source materials
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.
Improper Encoding or Escaping of Output
Improper Encoding or Escaping of Output represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.