How severe is CVE-2021-37354?

CVE-2021-37354 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-37354 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37354?

CVE-2021-37354 affects Xerox Phaser 4622 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-37354?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-37354 published?

CVE-2021-37354 was published on 2022-02-15 and last updated on 2026-06-17.

CVE-2021-37354

CVE-2021-37354 is a critical-severity vulnerability in Xerox Phaser 4622 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Xerox Phaser 4622 Firmware
Published: 2022-02-15
Last modified: 2026-06-17

Description

Xerox Phaser 4622 v35.013.01.000 was discovered to contain a buffer overflow in the function sub_3226AC via the TIMEZONE variable. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Frequently asked questions

What is CVE-2021-37354?: Xerox Phaser 4622 v35.013.01.000 was discovered to contain a buffer overflow in the function sub_3226AC via the TIMEZONE variable. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.
How severe is CVE-2021-37354?: CVE-2021-37354 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-37354 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37354?: CVE-2021-37354 affects Xerox Phaser 4622 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-37354?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-37354 published?: CVE-2021-37354 was published on 2022-02-15 and last updated on 2026-06-17.

References

https://github.com/Ainevsia/CVE-Request/tree/main/Xerox/1

Affected products (1)

cpe:2.3:o:xerox:phaser_4622_firmware:35.013.01.000:*:*:*:*:*:*:*

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