No exploitation reportedFix available

CVE-2020-13947

Q: Is CVE-2020-13947 actively exploited?

Active exploitation of CVE-2020-13947 has not been confirmed. Its EPSS score was 79.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-13947?

CVE-2020-13947 has a CVSS v3 base score of 6.1 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

No exploitation reported by the sources we read.

Published2021-02-08
Fixed in5.16.1 · 5.15.14
WeaknessCWE-79

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An instance of a cross-site scripting vulnerability was identified to be present in the web based administration console on the message.jsp page of Apache ActiveMQ versions 5.15.12 through 5.16.0.

Timeline

dates in UTC

2021-02-0822:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-13947?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-13947?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Apache activemq

Branch	Affected	Fixed in	Source
5.16	≥ 5.16.0, < 5.16.1	5.16.1	NVD · OSV
5.15	< 5.15.14	5.15.14	NVD · OSV

Oracle communications session report manager

Branch	Affected	Fixed in	Source
8.x	≥ 8.0.0, ≤ 8.2.2	no fix published	NVD

Oracle communications session route manager

Branch	Affected	Fixed in	Source
8.x	≥ 8.0.0, ≤ 8.2.2	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Apache activemq to 5.16.1 · 5.15.14

Advisories and patches

activemq.apache.orgVendor Advisory
www.oracle.comPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.16.1read 2026-10-23
NVDCVSS 2.04.3read 2026-10-23
NVDweakness (CWE)CWE-79read 2026-10-23
FIRST EPSSEPSS score79.0 %read 2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Published: 2021-02-08
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-13947?

An instance of a cross-site scripting vulnerability was identified to be present in the web based administration console on the message.jsp page of Apache ActiveMQ versions 5.15.12 through 5.16.0.

Is CVE-2020-13947 actively exploited?

Active exploitation of CVE-2020-13947 has not been confirmed. Its EPSS score was 79.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-13947?

CVE-2020-13947 has a CVSS v3 base score of 6.1 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

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