What is CVE-2021-33945?

CVE-2021-33945 is a critical-severity vulnerability in Ricoh Aficio Sp 3500sf, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-02-15.

How severe is CVE-2021-33945?

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

Is CVE-2021-33945 known to be exploited?

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

Buffer overflow in Ricoh Aficio Sp 3500sf

CVE-2021-33945

RICOH Printer series SP products 320DN, SP 325DNw, SP 320SN, SP 320SFN, SP 325SNw, SP 325SFNw, SP 330SN, Aficio SP 3500SF, SP 221S, SP 220SNw, SP 221SNw, SP 221SF, SP 220SFNw, SP 221SFNw v1.06 were discovered to contain a stack buffer overflow in the file /etc/wpa_supplicant.conf. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (76.9th 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

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-33945?: CVE-2021-33945 is a critical-severity vulnerability in Ricoh Aficio Sp 3500sf, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-02-15.
How severe is CVE-2021-33945?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-33945 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.