Security readout for executives and security teams
Plain-English summary
An authorized operator with high privileges on affected Akkadian PME could break out of a restricted shell through a menu option that opens vi. That can turn a controlled administration interface into broader system access. The issue is high severity but requires local access and high privileges, so urgency depends on who can reach that appliance shell.
Executive priority
Treat this as a targeted high-priority appliance hardening issue. It is not evidenced as actively exploited, but affected systems support communications provisioning workflows and a successful escape could undermine administrative trust boundaries.
Technical view
CVE-2021-31581 is a CWE-269 privilege-management flaw in Akkadian Provisioning Manager Engine. The restricted shell exposes an Edit MySQL Configuration function that launches a standard vi editor interface, allowing shell escape. CVSS 3.1 is 7.9 with local access, low complexity, high privileges, changed scope, and high confidentiality and integrity impact.
Likely exposure
Exposure is limited to organizations running affected Akkadian Provisioning Manager Engine, specifically version 4.50.18 in the source bundle. Practical risk centers on users or support paths with local restricted-shell access. The sources do not indicate unauthenticated remote exploitation or broad internet-facing exposure for this CVE.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no source here confirms active exploitation. The flaw requires high privileges and local access, but abuse could bypass intended shell restrictions and affect system confidentiality and integrity.
Researcher notes
The key security boundary is the restricted shell. Validation should focus on version state, shell access paths, administrative role assignment, and whether the vi-based configuration workflow exists. Avoid assuming remote unauthenticated reachability; the CVSS vector is local with high privileges.
Mitigation direction
- Upgrade to Akkadian OVA appliance 3.0 or later where applicable.
- Upgrade Akkadian Provisioning Manager to 5.0.2 or later.
- Upgrade Akkadian Appliance Manager to 3.3.0.314-4a349e0 or later.
- Restrict restricted-shell access to trusted administrators only.
- Review vendor guidance before applying compensating controls.
Validation and detection
- Inventory Akkadian PME instances and confirm exact product versions.
- Check whether PME 4.50.18 or older affected builds are present.
- Verify OVA, Provisioning Manager, and Appliance Manager versions meet fixed releases.
- Review accounts with restricted-shell or appliance administration access.
- Confirm change records show the vendor-fixed versions were deployed.
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-269: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2021-31581 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
- High
- CVSS
- 7.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/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:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N1.55.8Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.9HighVector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.rapid7.com/blog/post/2021/06/08/akkadian-provisioning-manager-multiple-vulnerabilities-disclosure/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.
Improper Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.