How severe is CVE-2023-26301?

CVE-2023-26301 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-2023-26301 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26301?

CVE-2023-26301 primarily affects Hp Color Laserjet Pro 4201-4203 4ra87f Firmware. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-26301?

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-2023-26301 published?

CVE-2023-26301 was published on 2023-07-21 and last updated on 2026-06-17.

CVE-2023-26301

CVE-2023-26301 is a critical-severity vulnerability in Hp Color Laserjet Pro 4201-4203 4ra87f 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Hp Color Laserjet Pro 4201-4203 4ra87f Firmware
Published: 2023-07-21
Last modified: 2026-06-17

Description

Certain HP LaserJet Pro print products are potentially vulnerable to an Elevation of Privilege and/or Information Disclosure related to a lack of authentication with certain endpoints.

Frequently asked questions

What is CVE-2023-26301?: Certain HP LaserJet Pro print products are potentially vulnerable to an Elevation of Privilege and/or Information Disclosure related to a lack of authentication with certain endpoints.
How severe is CVE-2023-26301?: CVE-2023-26301 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-2023-26301 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26301?: CVE-2023-26301 primarily affects Hp Color Laserjet Pro 4201-4203 4ra87f Firmware. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-26301?: 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-2023-26301 published?: CVE-2023-26301 was published on 2023-07-21 and last updated on 2026-06-17.

References

https://support.hp.com/us-en/document/ish_8746769-8746795-16/hpsbpi03855

Affected products (19)

cpe:2.3:o:hp:color_laserjet_pro_4201-4203_4ra87f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_4201-4203_4ra88f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_4201-4203_4ra89a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_4201-4203_5hh48a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_4201-4203_5hh51a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_4201-4203_5hh52a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_4201-4203_5hh53a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_4201-4203_5hh59a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_mfp_4301-4303_4ra80f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_mfp_4301-4303_4ra81f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_mfp_4301-4303_4ra82f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_mfp_4301-4303_4ra83f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_mfp_4301-4303_4ra84f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_mfp_4301-4303_5hh64f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_mfp_4301-4303_5hh65a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_mfp_4301-4303_5hh66a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_mfp_4301-4303_5hh67a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_mfp_4301-4303_5hh72a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_pro_mfp_4301-4303_5hh73a_firmware:*:*:*:*:*:*:*:*

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