What is CVE-2021-33226?

CVE-2021-33226 is a critical-severity vulnerability in Saltstack Salt, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-02-17.

How severe is CVE-2021-33226?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-33226 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Saltstack Salt

CVE-2021-33226

Buffer Overflow vulnerability in Saltstack v.3003 and before allows attacker to execute arbitrary code via the func variable in salt/salt/modules/status.py file. NOTE: this is disputed by third parties because an attacker cannot influence…

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Saltstack Salt
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Vendor Advisory)
cve@mitre.org

Frequently asked questions

What is CVE-2021-33226?: CVE-2021-33226 is a critical-severity vulnerability in Saltstack Salt, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-02-17.
How severe is CVE-2021-33226?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-33226 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.