CVE-2020-27815

mediumpriority · track · 41EPSS 0.008 · 56 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.79% (56th) EPSS

CVSS 6.1 · medium

Is it mine?

20 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.1–7.8

v2.06.1mediumAV:L/AC:L/Au:N/C:P/I:P/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 8.5

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USCWE-787US

exploits (1)

Public proof-of-concept and weaponised exploit code.

Trinadh465/linux-4.19.72_CVE-2020-27815Trinadh465/linux-4.19.72_CVE-2020-27815PoC · poc_in_github

affected products (20)

Products and version ranges known to be affected.

n/a Linux kernel≤ 5.9.6enisa_euvdEU
debian debian linux= 10.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 9.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
linux linux kernelall versionsnvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel4.10 → 4.14.213nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel4.15 → 4.19.164nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel4.20 → 5.4.86nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel≥ 4.4.249nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel4.5 → 4.9.249nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel5.5 → 5.10.4nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
netapp aff a250 firmwareall versionsnvdUScpe:2.3:o:netapp:aff_a250_firmware:*:*:*:*:*:*:*:*
netapp fas500f firmwareall versionsnvdUScpe:2.3:o:netapp:fas500f_firmware:*:*:*:*:*:*:*:*
netapp h300e firmwareall versionsnvdUScpe:2.3:o:netapp:h300e_firmware:*:*:*:*:*:*:*:*
netapp h300s firmwareall versionsnvdUScpe:2.3:o:netapp:h300s_firmware:*:*:*:*:*:*:*:*
netapp h410c firmwareall versionsnvdUScpe:2.3:o:netapp:h410c_firmware:*:*:*:*:*:*:*:*
netapp h410s firmwareall versionsnvdUScpe:2.3:o:netapp:h410s_firmware:*:*:*:*:*:*:*:*
netapp h500e firmwareall versionsnvdUScpe:2.3:o:netapp:h500e_firmware:*:*:*:*:*:*:*:*
netapp h500s firmwareall versionsnvdUScpe:2.3:o:netapp:h500s_firmware:*:*:*:*:*:*:*:*
netapp h700e firmwareall versionsnvdUScpe:2.3:o:netapp:h700e_firmware:*:*:*:*:*:*:*:*
netapp h700s firmwareall versionsnvdUScpe:2.3:o:netapp:h700s_firmware:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-05-26modified 2026-06-17

references (46)

External citations — patches, advisories, analysis.

scry

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