THREATPORT/VULNERABILITY/CVE-2021-31580
HIGH SEVERITY

CVE-2021-31580

Ova Appliance vulnerability

CVSS
8.7
EPSS
3.0%
EPSS pct
86th
Exploited
No known
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 vendor
Akkadianlabs
Affected product
Ova Appliance
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Weakness type (CWE)
  • CWE-78 — OS Command Injection
Published
2021-07-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity.

Its EPSS score of 3.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2021-31580

  • Confirm whether Akkadianlabs Ova Appliance is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-31580.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-31580

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-31580 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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