CVE-2017-14949: Restlet Framework before 2.3.12 allows remote attackers to access arbitrary files via a crafted REST API HTTP

Q: How do I fix CVE-2017-14949?

restlet: upgrade to 2.3.12. Exact commands for each OS are on this page.

Q: Is CVE-2017-14949 being exploited?

CVE-2017-14949 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-2017-14949 affect?

CVE-2017-14949 affects restlet. Severity is high (CVSS 7.5). Restlet Framework before 2.3.12 allows remote attackers to access arbitrary files via a crafted REST API HTTP request that conducts an XXE attack, because only general external entities (not parameter external entities) are properly conside

Q: How urgent is CVE-2017-14949?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2017-14949 is a high-severity flaw (CVSS 7.5) affecting restlet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Restlet Framework before 2.3.12 allows remote attackers to access arbitrary files via a crafted REST API HTTP request that conducts an XXE attack, because only general external entities (not parameter external entities) are properly considered. This is related to XmlRepresentation, DOMRepresentation, SaxRepresentation, and JacksonRepresentation.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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	2.4% (top 16%)
CISA exploited list	No
Weakness	CWE-611
Published	2017-11-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: restlet

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

Am I affected?

Timeline

2017-11-30 18:29 UTCPublished CVE record published
2026-06-17 01:07 UTCUpdated Record last modified

restlet restlet UPGRADE

Affected: < 2.3.12

Fixed in: 2.3.12

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.3.12 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade restlet

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-2017-14949?

restlet: upgrade to 2.3.12. Exact commands for each OS are on this page.

Is CVE-2017-14949 being exploited?

CVE-2017-14949 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-2017-14949 affect?

CVE-2017-14949 affects restlet. Severity is high (CVSS 7.5). Restlet Framework before 2.3.12 allows remote attackers to access arbitrary files via a crafted REST API HTTP request that conducts an XXE attack, because only general external entities (not parameter external entities) are properly conside

How urgent is CVE-2017-14949?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

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References

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