CVE-2019-17566: Apache Batik is vulnerable to server-side request forgery, caused by improper input validation by the "xlink:h

This week

HIGH 7.5REMOTEWATCHLISTUPGRADEDOWNGRADEDOWNGRADE

CVE-2019-17566 is a high-severity flaw (CVSS 7.5) affecting batik, api gateway, business intelligence. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Apache Batik is vulnerable to server-side request forgery, caused by improper input validation by the "xlink:href" attributes. By using a specially-crafted argument, an attacker could exploit this vulnerability to cause the underlying server to make arbitrary GET requests.

Why this priority

High severity
EPSS top 4%: very likely to be exploited
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	10.9% (top 4%)
CISA exploited list	No
Weakness	CWE-918
Published	2020-11-12
Last modified	2026-06-17

Publisher (CNA): Apache Software Foundation · Vendor: apache · oracle

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-11-12 18:15 UTCPublished CVE record published
2026-06-17 02:24 UTCUpdated Record last modified

apache batik UPGRADE

Affected: < 1.13

Fixed in: 1.13

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy batik || rpm -q batik || batik --version

2. UPGRADE to 1.13 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade batik

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade batik

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

oracle api gateway DOWNGRADE

Affected: 11.1.2.4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 11.1.2.4.0

1. Check installed version

apt-cache policy api-gateway || rpm -q api-gateway || api-gateway --version

2. No fixed release: DOWNGRADE to a release before 11.1.2.4.0 (Debian / Ubuntu)

apt-cache madison api-gateway sudo apt install api-gateway=<VERSION_BEFORE_11.1.2.4.0> sudo apt-mark hold api-gateway

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list api-gateway sudo dnf downgrade api-gateway-<VERSION_BEFORE_11.1.2.4.0> sudo dnf versionlock add api-gateway

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

oracle business intelligence DOWNGRADE

Affected: 5.5.0.0.0 · 5.9.0.0.0 · 12.2.1.3.0 · 12.2.1.4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.5.0.0.0

1. Check installed version

apt-cache policy business-intelligence || rpm -q business-intelligence || business-intelligence --version

2. No fixed release: DOWNGRADE to a release before 5.5.0.0.0 (Debian / Ubuntu)

apt-cache madison business-intelligence sudo apt install business-intelligence=<VERSION_BEFORE_5.5.0.0.0> sudo apt-mark hold business-intelligence

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list business-intelligence sudo dnf downgrade business-intelligence-<VERSION_BEFORE_5.5.0.0.0> sudo dnf versionlock add business-intelligence

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

oracle communications application session controller DOWNGRADE

Affected: 3.9m0p2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.9m0p2

1. Check installed version

apt-cache policy communications-application-session-controller || rpm -q communications-application-session-controller || communications-application-session-controller --version

2. No fixed release: DOWNGRADE to a release before 3.9m0p2 (Debian / Ubuntu)

apt-cache madison communications-application-session-controller sudo apt install communications-application-session-controller=<VERSION_BEFORE_3.9m0p2> sudo apt-mark hold communications-application-session-controller

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list communications-application-session-controller sudo dnf downgrade communications-application-session-controller-<VERSION_BEFORE_3.9m0p2> sudo dnf versionlock add communications-application-session-controller

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

oracle communications metasolv solution UPGRADE

Affected: >= 6.3.0 and <= 6.3.1

Fixed in: newer than 6.3.1

Safe to downgrade to: a release before 6.3.0

1. Check installed version

apt-cache policy communications-metasolv-solution || rpm -q communications-metasolv-solution || communications-metasolv-solution --version

2. UPGRADE to newer than 6.3.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade communications-metasolv-solution

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade communications-metasolv-solution

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 6.3.0 (Debian / Ubuntu)

apt-cache madison communications-metasolv-solution sudo apt install communications-metasolv-solution=<VERSION_BEFORE_6.3.0> sudo apt-mark hold communications-metasolv-solution

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list communications-metasolv-solution sudo dnf downgrade communications-metasolv-solution-<VERSION_BEFORE_6.3.0> sudo dnf versionlock add communications-metasolv-solution

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

oracle communications offline mediation controller DOWNGRADE

Affected: 12.0.0.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.0.0.3.0

1. Check installed version

apt-cache policy communications-offline-mediation-controller || rpm -q communications-offline-mediation-controller || communications-offline-mediation-controller --version

2. No fixed release: DOWNGRADE to a release before 12.0.0.3.0 (Debian / Ubuntu)

apt-cache madison communications-offline-mediation-controller sudo apt install communications-offline-mediation-controller=<VERSION_BEFORE_12.0.0.3.0> sudo apt-mark hold communications-offline-mediation-controller

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list communications-offline-mediation-controller sudo dnf downgrade communications-offline-mediation-controller-<VERSION_BEFORE_12.0.0.3.0> sudo dnf versionlock add communications-offline-mediation-controller

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-17566?

batik: upgrade to 1.13; api gateway: downgrade or apply the listed mitigation; business intelligence: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-17566 being exploited?

CVE-2019-17566 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-17566 affect?

CVE-2019-17566 affects batik, api gateway, business intelligence. Severity is high (CVSS 7.5). Apache Batik is vulnerable to server-side request forgery, caused by improper input validation by the "xlink:href" attributes. By using a specially-crafted argument, an attacker could exploit this vulnerability to cause the underlying serve

How urgent is CVE-2019-17566?

Priority 60/100. High severity; EPSS top 4%: very likely to be exploited; Remotely exploitable, no login, no user action; On your watchlist

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References

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