Security readout for executives and security teams
Plain-English summary
TeamCity versions before 2021.1 could sometimes store passwords in cleartext in version control. If this occurred, credentials may have been exposed to anyone with repository access or downstream copies. The public record does not provide CVSS, affected configuration detail, or evidence of active exploitation.
Executive priority
Treat this as a targeted secret-exposure review for legacy TeamCity environments. It is not documented as exploited, but exposed passwords can create broader compromise risk if reused or still valid.
Technical view
CVE-2021-37548 describes a TeamCity issue where passwords could sometimes be stored unencrypted in VCS before version 2021.1. The sources do not identify a CWE, attack vector, prerequisites, or specific password types. The primary risk is secret exposure through repositories and repository history.
Likely exposure
Organizations using JetBrains TeamCity before 2021.1 are the relevant exposure group. Risk depends on whether TeamCity wrote passwords into VCS and who could access repository contents, clones, backups, CI logs, or derived artifacts.
Exploitation context
No cited source or KEV listing indicates active exploitation. This is mainly an exposure and incident-response concern: if passwords were committed in cleartext, normal repository access could disclose them without exploiting TeamCity directly.
Researcher notes
The public data is sparse: no CVSS, CWE, exploit status, or detailed affected configuration is provided in the bundle. Analysis should stay focused on TeamCity before 2021.1 and validating whether cleartext credentials entered VCS.
Mitigation direction
- Upgrade TeamCity to version 2021.1 or later, based on JetBrains' affected-version boundary.
- Review JetBrains guidance for any product-specific remediation details.
- Rotate any passwords found in repositories or repository history.
- Remove exposed secrets from current repositories and handle history cleanup through approved processes.
- Review repository access for users and integrations that may have seen exposed secrets.
Validation and detection
- Inventory TeamCity deployments and flag any version before 2021.1.
- Review relevant VCS repositories for cleartext passwords associated with TeamCity usage.
- Check repository history, clones, backups, and CI artifacts for exposed credentials.
- Confirm discovered credentials were revoked, rotated, or otherwise invalidated.
- Document affected repositories, credential owners, and remediation status.
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-2021-37548 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://blog.jetbrains.com/blog/2021/08/05/jetbrains-security-bulletin-q2-2021/CVE 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.