Security readout for executives and security teams
Plain-English summary
CVE-2021-25649 is an information disclosure issue in Avaya Aura Utility Services. A user with access may view system functionality and configuration information intended only for privileged users. The main business concern is leakage of sensitive configuration that could support later attacks or weaken administrative separation.
Executive priority
Treat as a scheduled remediation item, not an emergency based on provided evidence. Prioritize environments where Avaya systems support critical communications or where many users have access to the affected host.
Technical view
The source describes a CWE-200 flaw in directory and file management for Avaya Aura Utility Services affecting 7.x versions. CVSS 3.1 is 4.9, with high confidentiality impact, no integrity or availability impact, and high privileges required in the supplied vector.
Likely exposure
Organizations running Avaya Aura Utility Services 7.x are the relevant exposure population. Risk is higher where non-administrative local or authenticated users have access to the affected system or where configuration data contains sensitive operational details.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The issue appears most relevant as a confidentiality weakness that may assist follow-on activity if an attacker already has sufficient access.
Researcher notes
Evidence is limited to CVE metadata and the Avaya reference. The description emphasizes local user access, while the supplied CVSS vector lists network attack vector and high privileges required; validate details against Avaya guidance before assigning operational severity.
Mitigation direction
- Review Avaya advisory 101072728 for vendor-approved remediation guidance.
- Inventory Avaya Aura Utility Services deployments and identify all 7.x instances.
- Restrict access to the Utility Services host to required administrators only.
- Review file and directory permissions for unintended configuration exposure.
- Monitor vendor support channels for fixed versions or compensating controls.
Validation and detection
- Confirm whether Avaya Aura Utility Services is deployed and record version information.
- Check whether any deployed instance is in the 7.x affected range.
- Review local user and administrative access assignments on affected systems.
- Audit access logs for unusual reads of configuration or management files.
- Document remediation status against Avaya advisory 101072728.
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-2021-25649 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
- 4.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/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:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N1.23.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.9MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://support.avaya.com/css/P8/documents/101072728CVE 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.
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.