How severe is CVE-2019-12135?

CVE-2019-12135 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-2019-12135 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12135?

CVE-2019-12135 primarily affects Papercut Papercut Mf. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-12135?

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-2019-12135 published?

CVE-2019-12135 was published on 2019-06-06 and last updated on 2026-06-17.

CVE-2019-12135

CVE-2019-12135 is a critical-severity vulnerability in Papercut Papercut Mf 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Papercut Papercut Mf
Published: 2019-06-06
Last modified: 2026-06-17

Description

An unspecified vulnerability in the application server in PaperCut MF and NG versions 18.3.8 and earlier and versions 19.0.3 and earlier allows remote attackers to execute arbitrary code via an unspecified vector.

Frequently asked questions

What is CVE-2019-12135?: An unspecified vulnerability in the application server in PaperCut MF and NG versions 18.3.8 and earlier and versions 19.0.3 and earlier allows remote attackers to execute arbitrary code via an unspecified vector.
How severe is CVE-2019-12135?: CVE-2019-12135 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-2019-12135 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12135?: CVE-2019-12135 primarily affects Papercut Papercut Mf. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-12135?: 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-2019-12135 published?: CVE-2019-12135 was published on 2019-06-06 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:*
cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:*

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