How severe is CVE-2020-12865?

CVE-2020-12865 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12865 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12865?

CVE-2020-12865 primarily affects Sane-project Sane Backends. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12865?

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

When was CVE-2020-12865 published?

CVE-2020-12865 was published on 2020-06-24 and last updated on 2026-06-17.

CVE-2020-12865

CVE-2020-12865 is a high-severity vulnerability in Sane-project Sane Backends with a CVSS 3.x base score of 8.0. 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: High (CVSS 3.x base score 8.0)
CVSS v2: 5.2
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Sane-project Sane Backends
Published: 2020-06-24
Last modified: 2026-06-17

Description

A heap buffer overflow in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network as the victim to execute arbitrary code, aka GHSL-2020-084.

Frequently asked questions

What is CVE-2020-12865?: A heap buffer overflow in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network as the victim to execute arbitrary code, aka GHSL-2020-084.
How severe is CVE-2020-12865?: CVE-2020-12865 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12865 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12865?: CVE-2020-12865 primarily affects Sane-project Sane Backends. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12865?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-12865 published?: CVE-2020-12865 was published on 2020-06-24 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:sane-project:sane_backends:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

More vulnerabilities in Sane-project Sane Backends

CVE-2020-12861 — High (CVSS 8.8): A heap buffer overflow in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as…
CVE-2023-46047 — High (CVSS 7.3): An issue in Sane 1.2.1 allows a local attacker to execute arbitrary code via a crafted file to the…
CVE-2023-46052 — High (CVSS 7.1): Sane 1.2.1 heap bounds overwrite in init_options() from backend/test.c via a long init_mode string in a configuration…
CVE-2020-12866 — Medium (CVSS 5.7): A NULL pointer dereference in SANE Backends before 1.0.30 allows a malicious device connected to the same local network…
CVE-2020-12867 — Medium (CVSS 5.5): A NULL pointer dereference in sanei_epson_net_read in SANE Backends before 1.0.30 allows a malicious device connected…
CVE-2020-12864 — Medium (CVSS 4.3): An out-of-bounds read in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network…

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