CVE-2020-28491

mediumpriority · track · 31EPSS 0.031 · 88 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

3.07% (88th) EPSS

CVSS 5 · medium

Is it mine?

82 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 0 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · report@snyk.ioexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-770USprimaryCWE-770USCWE-770US

affected products (82)

Products and version ranges known to be affected.

n/a com.fasterxml.jackson.dataformat:jackson-dataformat-cbor0 → unspecifiedenisa_euvdEU
n/a com.fasterxml.jackson.dataformat:jackson-dataformat-cbor2.12.0-rc1 → unspecifiedenisa_euvdEU
n/a com.fasterxml.jackson.dataformat:jackson-dataformat-cborunspecified → 2.11.4enisa_euvdEU
n/a com.fasterxml.jackson.dataformat:jackson-dataformat-cborunspecified → 2.12.1enisa_euvdEU
Canonical Ltd. Ubuntu≤ 23.10fstec_bduRU
Canonical Ltd. Ubuntu≤ 16.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 18.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 22.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 20.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 23.04fstec_bduRU
FasterXML, LLC jackson-dataformats-binary≤ 2.11.4fstec_bduRU
FasterXML, LLC jackson-dataformats-binary2.12.0 → 2.12.1fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.4fstec_bduRU
Novell Inc. SUSE Enterprise Storage≤ 7.1fstec_bduRU
Novell Inc. SUSE Enterprise Storage≤ 7fstec_bduRU
Novell Inc. SUSE Linux Enterprise High Performance Computing≤ 15 SP2-LTSSfstec_bduRU
Novell Inc. SUSE Linux Enterprise High Performance Computing≤ 15 SP2-ESPOSfstec_bduRU
Novell Inc. SUSE Linux Enterprise High Performance Computing≤ 15 SP5fstec_bduRU
Novell Inc. SUSE Linux Enterprise High Performance Computing≤ 15 SP3fstec_bduRU
Novell Inc. SUSE Linux Enterprise High Performance Computing≤ 15 SP4fstec_bduRU

showing 20 of 82

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-xmc8-26q4-qjhxDenial of Service (DoS) in Jackson Dataformat CBOR2021-12-09ghsa · osvUS
This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 2.8.0-rc1 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception.

also known as (5)

Other names and identifiers for this entity.

CNNVD-202102-1356 cnnvd
EUVD-2021-2611 enisa_euvd
BDU:2023-08464 fstec_bdu
GHSA-xmc8-26q4-qjhx enisa_euvd
SNYK-JAVA-COMFASTERXMLJACKSONDATAFORMAT-1047329osv

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv NVD CVE.org MITRE

published 2021-02-18modified 2026-06-17

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+3263 more

references (36)

External citations — patches, advisories, analysis.

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