CVE-2021-21477

highpriority · attend · 50EPSS 0.298 · 98 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

29.8% (98th) EPSS

CVSS 9 · high

Is it mine?

15 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

SAP Commerce Cloud, versions - 1808,1811,1905,2005,2011, enables certain users with required privileges to edit drools rules, an authenticated attacker with this privilege will be able to inject malicious code in the drools rules which when executed leads to Remote Code Execution vulnerability enabling the attacker to compromise the underlying host enabling him to impair confidentiality, integrity and availability of the application.

cvss

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

9.9

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9–9.9

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 10

v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.1 · impact 6

v3.09.9criticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.09.9criticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · cna@sap.comexploitability 3.1 · impact 6

v3.19.9criticalAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USprimaryCWE-94US

affected products (15)

Products and version ranges known to be affected.

SAP SE SAP Commerce≤ < 1905enisa_euvdEU
SAP SE SAP Commerce≤ < 1811enisa_euvdEU
SAP SE SAP Commerce≤ < 2011enisa_euvdEU
SAP SE SAP Commerce≤ < 1808enisa_euvdEU
SAP SE SAP Commerce≤ < 2005enisa_euvdEU
SAP SAP Commerce Cloud≤ 2011fstec_bduRU
SAP SAP Commerce Cloud≤ 2005fstec_bduRU
SAP SAP Commerce Cloud≤ 1905fstec_bduRU
SAP SAP Commerce Cloud≤ 1811fstec_bduRU
SAP SAP Commerce Cloud≤ 1808fstec_bduRU
sap commerce= 1808nvdUScpe:2.3:a:sap:commerce:*:*:*:*:*:*:*:*
sap commerce= 1811nvdUScpe:2.3:a:sap:commerce:*:*:*:*:*:*:*:*
sap commerce= 1905nvdUScpe:2.3:a:sap:commerce:*:*:*:*:*:*:*:*
sap commerce= 2005nvdUScpe:2.3:a:sap:commerce:*:*:*:*:*:*:*:*
sap commerce= 2011nvdUScpe:2.3:a:sap:commerce:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2021-02-09modified 2026-06-17

related (10,445)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-0322US	high7.2OT critical	1.74% (78th)	KEV	2026-10-14
A remote code execution (RCE) vulnerability in the management interface of Palo Alto Networks PAN-OS® software enables an authenticated attacker with network access to execute arbi…
CVE-2026-58400US	—OT critical	1.19% (68th)	—	2026-09-03
GeoNetwork is a catalog application to manage spatially referenced resources. Prior to versions 4.4.12 and 4.2.17, the Saxon XSLT processor used to render formatters is configured…
CVE-2026-60004US	—OT critical	24.0% (98th)	KEV	2026-08-26
Gitea before 1.27.1 allows remote code execution via the diffpatch API through Git hook installation.
CVE-2026-72530US	—OT critical	1.69% (77th)	KEV	2026-08-19
A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could use a special…
CVE-2026-65660US	high8.8OT critical	8.19% (95th)	KEV	2026-08-11
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

+10440 more

references (7)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan