CVE-2017-18640

mediumpriority · track · 39EPSS 0.267 · 98 %ileDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

26.7% (98th) EPSS

CVSS 5 · medium

Is it mine?

22 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

The Alias feature in SnakeYAML before 1.26 allows entity expansion during a load operation, a related issue to CVE-2003-1564.

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 · 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-776USprimaryCWE-776USCWE-776US

affected products (22)

Products and version ranges known to be affected.

IBM QRadar SIEMall versionscert_bundDEcpe:/a:ibm:qradar_siem:-
IBM QRadar SIEM <7.3.3 Patch 7all versionscert_bundDE
IBM QRadar SIEM <7.4.2 Patch 2all versionscert_bundDE
IBM QRadar SIEM< 7.3.3 Patch 7cert_bundDE
IBM QRadar SIEM< 7.4.2 Patch 2cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
Fedora Project Fedora≤ 32fstec_bduRU
Fedora Project Fedora≤ 31fstec_bduRU
Gradle Inc. Gradle≤ 8.14.3fstec_bduRU
Oracle Corp. PeopleSoft Enterprise PeopleTools≤ 8.56fstec_bduRU
Oracle Corp. PeopleSoft Enterprise PeopleTools≤ 8.58fstec_bduRU
Oracle Corp. PeopleSoft Enterprise PeopleTools≤ 8.57fstec_bduRU
Red Hat Inc. Quarkus≤ 1.3.4fstec_bduRU
Сообщество свободного программного обеспечения SnakeYAML≤ 1.26fstec_bduRU
fedoraproject fedora= 31nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 32nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
oracle peoplesoft enterprise pt peopletools= 8.56nvdUScpe:2.3:a:oracle:peoplesoft_enterprise_pt_peopletools:*:*:*:*:*:*:*:*
oracle peoplesoft enterprise pt peopletools= 8.57nvdUScpe:2.3:a:oracle:peoplesoft_enterprise_pt_peopletools:*:*:*:*:*:*:*:*
oracle peoplesoft enterprise pt peopletools= 8.58nvdUScpe:2.3:a:oracle:peoplesoft_enterprise_pt_peopletools:*:*:*:*:*:*:*:*
quarkus quarkus≤ 1.3.4nvdUScpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*

showing 20 of 22

advisories (5)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-0770IBM DB2: Mehrere SchwachstellenDeutsch2020-04-23csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in IBM DB2 ausnutzen, um seine Privilegien zu erhöhen oder einen Denial of Service zu verursachen
WID-SEC-W-2022-1375JFrog Artifactory: Mehrere SchwachstellenDeutsch2022-09-11csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in JFrog Artifactory ausnutzen, um seine Privilegien zu erweitern, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen und einen Denial-of-Service-Zustand auszulösen.
WID-SEC-W-2024-0528Dell Data Protection Advisor: Mehrere SchwachstellenDeutsch2024-02-29csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell Data Protection Advisor ausnutzen, um beliebigen Code auszuführen, einen Denial-of-Service-Zustand herbeizuführen, Dateien zu manipulieren, vertrauliche Informationen offenzulegen, seine Berechtigungen zu erweitern oder einen nicht spezifizierten Angriff durchzuführen.
WID-SEC-W-2026-3721IBM QRadar SIEM: Mehrere SchwachstellenDeutsch2021-05-04csaf · cert_bundDE
Ein entfernter, anonymer, authentifizierter, lokaler oder benachbarter Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um Informationen offenzulegen, Cross-Site-Scripting-Angriffe durchzuführen, Sicherheitsmaßnahmen zu umgehen, beliebigen Code auszuführen oder einen Denial of Service Zustand auszulösen.
GHSA-rvwf-54qp-4r6vSnakeYAML Entity Expansion during load operation2021-06-04ghsa · osvUS
The Alias feature in SnakeYAML 1.18 allows entity expansion during a load operation, a related issue to CVE-2003-1564.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

published 2019-12-12modified 2026-06-17

related (129)

Related entries.

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+124 more

references (206)

External citations — patches, advisories, analysis.

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