Security readout for executives and security teams
Plain-English summary
CVE-2023-3553 is a medium-severity information exposure issue in nilsteampassnet/teampass before 3.0.10. An unauthenticated network actor could access some sensitive information. The sources do not identify the exact data exposed in the provided bundle, so impact should be validated against deployed versions and vendor details.
Executive priority
Treat as a near-term remediation item, not an emergency. The issue affects confidentiality and may be unauthenticated, but available sources do not show active exploitation or integrity/availability impact.
Technical view
The CVE is classified as CWE-200 with CVSS 3.0 score 5.3: network-accessible, low complexity, no privileges, no user interaction, confidentiality impact only. The affected project is nilsteampassnet/teampass prior to 3.0.10, with a linked fixing commit.
Likely exposure
Exposure is most likely for organizations running TeamPass versions earlier than 3.0.10, especially if the application is reachable from untrusted networks. The CVE metadata does not provide CPEs or exact vulnerable version ranges beyond “prior to 3.0.10.”
Exploitation context
The provided sources do not show active exploitation, and the CVE is not listed as KEV. The CVSS vector indicates exploitation does not require authentication or user interaction, but the bundle does not include exploit mechanics or observed abuse.
Researcher notes
Evidence is sparse in the provided bundle. Prioritize version verification, patch confirmation against 3.0.10, and review of the linked huntr report and commit for exact exposure conditions without assuming broader impact.
Mitigation direction
- Inventory TeamPass deployments and identify versions below 3.0.10.
- Upgrade affected TeamPass instances to 3.0.10 or later, following vendor guidance.
- Restrict network access to TeamPass until remediation is complete.
- Review access logs for unusual unauthenticated requests or sensitive-data access patterns.
Validation and detection
- Confirm the running TeamPass version on every instance.
- Verify the fixing commit or equivalent vendor release is present.
- Check whether any public-facing TeamPass instance remains below 3.0.10.
- Document compensating controls if immediate upgrade is not possible.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2023-3553 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
- Medium
- CVSS
- 5.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.