How severe is CVE-2021-39238?

CVE-2021-39238 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-2021-39238 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39238?

CVE-2021-39238 primarily affects Hp Futuresmart 3. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-39238?

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-2021-39238 published?

CVE-2021-39238 was published on 2021-11-03 and last updated on 2026-06-17.

CVE-2021-39238

CVE-2021-39238 is a critical-severity vulnerability in Hp Futuresmart 3 with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Hp Futuresmart 3
Published: 2021-11-03
Last modified: 2026-06-17

Description

Certain HP Enterprise LaserJet, HP LaserJet Managed, HP Enterprise PageWide, HP PageWide Managed products may be vulnerable to potential buffer overflow.

Frequently asked questions

What is CVE-2021-39238?: Certain HP Enterprise LaserJet, HP LaserJet Managed, HP Enterprise PageWide, HP PageWide Managed products may be vulnerable to potential buffer overflow.
How severe is CVE-2021-39238?: CVE-2021-39238 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-2021-39238 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39238?: CVE-2021-39238 primarily affects Hp Futuresmart 3. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-39238?: 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-2021-39238 published?: CVE-2021-39238 was published on 2021-11-03 and last updated on 2026-06-17.

References

https://support.hp.com/us-en/document/ish_5000383-5000409-16

Affected products (3)

cpe:2.3:o:hp:futuresmart_3:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:futuresmart_4:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:futuresmart_5:*:*:*:*:*:*:*:*

More vulnerabilities in Hp Futuresmart 3

CVE-2025-26508 — Critical (CVSS 9.8): Certain HP LaserJet Pro, HP LaserJet Enterprise, and HP LaserJet Managed Printers may potentially be vulnerable to…
CVE-2025-26507 — Critical (CVSS 9.8): Certain HP LaserJet Pro, HP LaserJet Enterprise, and HP LaserJet Managed Printers may potentially be vulnerable to…
CVE-2019-6334 — Critical (CVSS 9.8): HP LaserJet, PageWide, OfficeJet Enterprise, and LaserJet Managed Printers have a solution to check application…
CVE-2024-0407 — Medium (CVSS 6.5): Certain HP Enterprise LaserJet, and HP LaserJet Managed Printers are potentially vulnerable to information disclosure,…
CVE-2019-18914 — Medium (CVSS 6.1): A potential security vulnerability has been identified for certain HP printers and MFPs that would allow redirection…
CVE-2021-39237 — Medium (CVSS 4.6): Certain HP LaserJet, HP LaserJet Managed, HP PageWide, and HP PageWide Managed printers may be vulnerable to potential…

All CVEs affecting Hp Futuresmart 3 →

Other CWE-120 (Classic Buffer Overflow) vulnerabilities

CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…

Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →