CVE-2021-41792: An issue was discovered in Hyland org.alfresco:alfresco-content-services through 6.2.2.18 and org.alfresco:alf

Q: How do I fix CVE-2021-41792?

alfresco content services: upgrade to newer than 6.2.2.18; alfresco transform services: upgrade to newer than 1.3. Exact commands for each OS are on this page.

Q: Is CVE-2021-41792 being exploited?

CVE-2021-41792 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-41792 affect?

CVE-2021-41792 affects alfresco content services, alfresco transform services. Severity is medium (CVSS 5.3). An issue was discovered in Hyland org.alfresco:alfresco-content-services through 6.2.2.18 and org.alfresco:alfresco-transform-services through 1.3. A crafted HTML file, once uploaded, could trigger an unexpected request by the transformatio

Q: How urgent is CVE-2021-41792?

Priority 38/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADEUPGRADE

CVE-2021-41792 is a medium-severity flaw (CVSS 5.3) affecting alfresco content services, alfresco transform services. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Hyland org.alfresco:alfresco-content-services through 6.2.2.18 and org.alfresco:alfresco-transform-services through 1.3. A crafted HTML file, once uploaded, could trigger an unexpected request by the transformation engine. The response to the request is not available to the attacker, i.e., this is blind SSRF.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 42%)
CISA exploited list	No
Weakness	CWE-918
Published	2021-10-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: alfresco

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

Am I affected?

Timeline

2021-10-21 09:15 UTCPublished CVE record published
2026-06-17 04:08 UTCUpdated Record last modified

alfresco alfresco content services UPGRADE

Affected: >= 5.0.0.0 and <= 5.2.7.11 · >= 6.0.0.0 and <= 6.0.1.9 · >= 6.1.1.0 and <= 6.1.1.10 · >= 6.2.0.0 and <= 6.2.2.18

Fixed in: newer than 6.2.2.18

Safe to downgrade to: a release before 5.0.0.0

1. Check installed version

apt-cache policy alfresco-content-services || rpm -q alfresco-content-services || alfresco-content-services --version

2. UPGRADE to newer than 6.2.2.18 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade alfresco-content-services

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade alfresco-content-services

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 5.0.0.0 (Debian / Ubuntu)

apt-cache madison alfresco-content-services sudo apt install alfresco-content-services=<VERSION_BEFORE_5.0.0.0> sudo apt-mark hold alfresco-content-services

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

dnf --showduplicates list alfresco-content-services sudo dnf downgrade alfresco-content-services-<VERSION_BEFORE_5.0.0.0> sudo dnf versionlock add alfresco-content-services

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.

alfresco alfresco transform services UPGRADE

Affected: <= 1.3

Fixed in: newer than 1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy alfresco-transform-services || rpm -q alfresco-transform-services || alfresco-transform-services --version

2. UPGRADE to newer than 1.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade alfresco-transform-services

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade alfresco-transform-services

Note

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

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-2021-41792?

alfresco content services: upgrade to newer than 6.2.2.18; alfresco transform services: upgrade to newer than 1.3. Exact commands for each OS are on this page.

Is CVE-2021-41792 being exploited?

CVE-2021-41792 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-2021-41792 affect?

CVE-2021-41792 affects alfresco content services, alfresco transform services. Severity is medium (CVSS 5.3). An issue was discovered in Hyland org.alfresco:alfresco-content-services through 6.2.2.18 and org.alfresco:alfresco-transform-services through 1.3. A crafted HTML file, once uploaded, could trigger an unexpected request by the transformatio

How urgent is CVE-2021-41792?

Priority 38/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-40347 MEDIUM 6.1 UPGRADE A reflected cross-site scripting (XSS) vulnerability in Hyland Alfresco Platform 23.2.1-r96 allows attackers t
CVE-2023-49964 HIGH 8.8 UPGRADE An issue was discovered in Hyland Alfresco Community Edition through 7.2.0
CVE-2021-41790 HIGH 8.8 UPGRADE An issue was discovered in Hyland org.alfresco:alfresco-content-services through 7.0.1.2

References

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