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CVE-2021-37354

30
FAUCET Score

CVE-2021-37354 describes a critical buffer overflow vulnerability in the Xerox Phaser 4622 printer, specifically in firmware version v35.013.01.000. This flaw allows an unauthenticated attacker to trigger a Denial of Service (DoS) by sending specially crafted overflow data to the TIMEZONE variable. With a CVSS score of 9.8, this vulnerability poses a high risk due to its network-based attack vector, low complexity, and potential for complete system unavailability. Despite its critical severity, there is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
35.013.01.000CPE matchmatch criteria
cpe:2.3:o:xerox:phaser_4622_firmware:35.013.01.000:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.36%
Probability of exploitation in next 30 days
EPSS Percentile
69.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0136 is in the 55th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / Ainevsia/CVE-Request/tree/main/Xerox/1
ExploitThird Party Advisory