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CVE-2021-31580

Akkadian Provisioning Manager Engine (PME) Shell Escape via 'exec' command

CRITICAL
9.8
CVSS Score
Published: July 22, 2021 at 06:27 PM UTC
Updated: June 17, 2026 at 03:52 AM UTC
3 products affected across 2 vendorsProvisioning ManagerOva ApplianceProvisioning Manager Engine

Using Provisioning Manager Engine (PME) by Akkadian?

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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%

Description

The restricted shell provided by Akkadian Provisioning Manager Engine (PME) can be bypassed by switching the OpenSSH channel from `shell` to `exec` and providing the ssh client a single execution parameter. This issue was resolved in Akkadian OVA appliance version 3.0 (and later), Akkadian Provisioning Manager 5.0.2 (and later), and Akkadian Appliance Manager 3.3.0.314-4a349e0 (and later).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ova Appliance· Akkadianlabs
95%
v < 3.0
Affected range stops below 3.0, so it looks safe — our inference, not a vendor statement
Provisioning Manager· Akkadianlabs
95%
3.0.0 ≤ v < 3.3.0.314-4a349e04.0.0 ≤ v < 5.0.2
Affected range stops below 3.3.0.314-4a349e0, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.0.2, so it looks safe — our inference, not a vendor statement
Provisioning Manager Engine· Akkadian
60%
4.50.18

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.rapid7.com/blog/post/2021/06/08/akkadian-provisioning-manager-multiple-vulnerabilities-disclosure/

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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