Strix
26.1K

CVE-2021-31580

CRITICALCVSS 9.8/10EPSS 3.02%

Last modified

CVE-2021-31580 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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).. EPSS estimates a 3.02% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
3.02%

85.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AkkadianlabsOva Appliance< 3.0
AkkadianlabsProvisioning Manager>= 3.0.0, < 3.3.0.314-4a349e0
AkkadianlabsProvisioning Manager>= 4.0.0, < 5.0.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-31580?
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).
How severe is CVE-2021-31580?
CVE-2021-31580 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.02% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31580?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-31580?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST