Security readout for executives and security teams
Plain-English summary
This flaw could let an unauthenticated remote attacker bypass security restrictions in Cisco Unified Communications Manager web interfaces. Business risk is unauthorized access to voice communications management systems, but the reported impact is limited to low confidentiality and integrity loss, with no availability impact stated.
Executive priority
Treat as a moderate priority for voice infrastructure owners. Patch or mitigate during the next security maintenance window, faster if CUCM administration interfaces are exposed beyond trusted networks.
Technical view
CVE-2019-15272 affects Cisco Unified Communications Manager and Unified Communications Manager SME web-based interfaces. Improper handling of malformed HTTP methods may allow crafted HTTP requests to bypass security restrictions. CVSS 3.0 is 6.5, network exploitable, low complexity, no privileges, no user interaction.
Likely exposure
Likely exposure is organizations running Cisco Unified Communications Manager or Unified Communications Manager SME with reachable web interfaces. The bundle does not specify affected version ranges, so teams must compare deployed versions against Cisco's advisory.
Exploitation context
The sources describe unauthenticated remote exploitation with crafted HTTP requests. KEV is false, and the provided bundle does not cite active exploitation, public exploit use, or weaponized tooling.
Researcher notes
Root cause is improper HTTP method handling in the web interface. The source bundle names CWE-264, but does not provide affected versions, fixed versions, workaround specifics, or exploit evidence. Keep validation non-invasive and version/configuration based.
Mitigation direction
- Review Cisco's advisory for affected and fixed release details.
- Upgrade affected Cisco Unified Communications Manager deployments per Cisco guidance.
- Limit web interface access to trusted administrative networks.
- Monitor vendor guidance for any revised mitigations or fixed versions.
Validation and detection
- Inventory Cisco Unified Communications Manager and SME instances.
- Compare deployed versions with Cisco's affected product guidance.
- Verify management web interfaces are not internet-exposed.
- Review logs for unusual malformed HTTP method activity.
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-264: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2019-15272 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
- 6.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:N/UI:N/S:U/C:L/I:L/A:N3.92.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.5MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20191002 Cisco Unified Communications Manager Security Bypass VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
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.
Permissions, Privileges, and Access Controls
Permissions, Privileges, and Access Controls represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.