Security readout for executives and security teams
Plain-English summary
This CVE says older JetBrains TeamCity servers, before 2020.1.2, had a URL injection flaw. The public record gives little detail about impact, so urgency should be based on whether your organization still runs an affected TeamCity version and how exposed it is.
Executive priority
Prioritize based on asset presence. If TeamCity is still below 2020.1.2, schedule remediation; if TeamCity is not used or already upgraded, business urgency is low but documentation should be retained.
Technical view
CVE-2020-27627 describes URL injection in JetBrains TeamCity before 2020.1.2. The supplied sources do not provide CVSS, CWE, component details, authentication requirements, exploit mechanics, or precise security impact beyond the vulnerability class.
Likely exposure
Exposure appears limited to JetBrains TeamCity instances older than 2020.1.2. The source bundle does not identify affected CPEs, deployment modes, or whether internet-facing instances are at higher risk.
Exploitation context
The source bundle does not cite active exploitation, public exploit availability, or inclusion in CISA KEV. Treat exploitation status as unconfirmed rather than absent.
Researcher notes
Evidence is sparse. The record names URL injection and the fixed version boundary, but lacks impact detail, endpoint scope, prerequisites, and scoring. Further analysis should start with JetBrains advisory material and local version validation.
Mitigation direction
- Inventory TeamCity servers and identify any version before 2020.1.2.
- Upgrade affected TeamCity instances to 2020.1.2 or later where applicable.
- Review the JetBrains Q3 2020 security bulletin for vendor context.
- Restrict external access to TeamCity while remediation is assessed.
Validation and detection
- Confirm TeamCity version from administrative or asset inventory records.
- Check whether any TeamCity instance remains below 2020.1.2.
- Verify remediation through change records and a post-upgrade version check.
- Review logs for suspicious URL handling only if relevant telemetry exists.
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-2020-27627 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/CVE reference · x_refsource_MISC
- https://blog.jetbrains.com/2020/11/16/jetbrains-security-bulletin-q3-2020/CVE reference · x_refsource_CONFIRM
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.