CVE-2021-23926: apache software foundation apache xmlbeans XML Entity Expansion
CVSS: 9.1v3.1CriticalModified
AliasesSUSE-SU-2022:3875-1SUSE-SU-2022:3876-1UBUNTU-CVE-2021-23926DEBIAN-CVE-2021-23926DLA-2693-1GHSA-mw3r-pfmg-xp92
Published 14-01-2021Last modified 13-02-2025
Vulnerability summary
CVE-2021-23926 is a critical (CVSS 9.1) XML Entity Expansion vulnerability in apache software foundation apache xmlbeans. EPSS estimates a 6.29% chance of exploitation in the next 30 days, higher than 93.5% of scored vulnerabilities.
CVSS score
9.1/10
010
Critical · v3.1 (NVD)EPSS score
6.29%
0%100%
Low · +0.08 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-01-2021PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
The XML parsers used by XMLBeans up to version 2.6.0 did not set the properties needed to protect the user from malicious XML input. Vulnerabilities include possibilities for XML Entity Expansion attacks. Affects XMLBeans up to and including v2.6.0.
CVSS metrics
5 scores · 4 sources · 2 versionsCritical 9.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · MavenEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
6.29%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
+0.08 pp
From 6.21% on 19-09-2026
19-09-202619-10-2026
EPSS score6.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse13 products
- xmlbeans&distro=SUSE Enterprise Storage 7< 2.6.0-150000.5.3.1
- xmlbeans&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS< 2.6.0-150000.5.3.1
- xmlbeans&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS< 2.6.0-150000.5.3.1
- xmlbeans&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 2.6.0-150000.5.3.1
- xmlbeans&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 2.6.0-150000.5.3.1
Netapp3 products
Debian2 products
- xmlbeans< 3.0.2-1 | < 2.6.0+dfsg-1+deb9u1
- debian_linuxEOL9.0
Opensuse2 products
- xmlbeans&distro=openSUSE Leap 15.3< 2.6.0-150000.5.3.1
- xmlbeans&distro=openSUSE Leap 15.4< 2.6.0-150000.5.3.1
Oracle2 products
- middleware_common_libraries_and_tools12.2.1.3.0 | 12.2.1.4.0
- peoplesoft_enterprise_peopletools8.57 | 8.58 | 8.59
Apache1 product
- xmlbeans≤ 2.6.0
Apache software foundation1 product
- apache xmlbeans≥ Apache XMLBeans, ≤ 2.6.0
Org.apache.xmlbeans1 product
- xmlbeans< 3.0.0
Ubuntu1 product
- xmlbeansAll versions (No fix recorded)
9 vendors · 26 products
References
20 links
lists.debian.org/debian-lts-announce/2021/06/msg00024.htmlMailing ListX Refsource MLISTWEBThird Party Advisory
