HOMEVULNERABILITIESCVE-2024-39908
MEDIUM

CVE-2024-39908

CWE-400Published: July 16, 2024· Updated: Jun 17, 2026

4.3
CVSS v3.1

Official Description

REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as `<`, `0` and `%>`. If you need to parse untrusted XMLs, you many be impacted to these vulnerabilities. The REXML gem 3.3.2 or later include the patches to fix these vulnerabilities. Users are advised to upgrade. Users unable to upgrade should avoid parsing untrusted XML strings.

NVD Source

Technical Analysis

CVE-2024-39908 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected Vendors & Products

netapp2 product(s)
bootstrap oshci compute node
ruby-lang1 product(s)
rexml
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8
ADVISORYhttps://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908
ADVISORYhttps://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8
ADVISORYhttps://security.netapp.com/advisory/ntap-20250117-0008/
ADVISORYhttps://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908

All References (6)

→
https://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8Vendor Advisory
→
https://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908Vendor Advisory
→
https://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8Vendor Advisory
→
https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html
→
https://security.netapp.com/advisory/ntap-20250117-0008/Third Party Advisory
→
https://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908Vendor Advisory

Quick Facts

CVE IDCVE-2024-39908
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-400
CISA KEVNo
Affected2 vendor(s)
PublishedJul 16, 2024

Related CVEs (CWE-400)

CVE-2018-16489
9.8
CVE-2018-16486
9.8
CVE-2017-1000378
9.8
CVE-2015-4412
9.8
CVE-2017-9119
9.8
CVE-2018-16491
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2024-39908 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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