CVE-2013-0340

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

19.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 97.1% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Modified. NVD last modified this record on 2026-10-14.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2014-01-21 18:00Z12 YR AGO

Last updated

2026-10-14 06:25Z15 DAYS AGO

Reserved

2012-12-06

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-611Improper Restriction of XML External Entity ReferenceBase

Data version

5.2

Document digest

7601f4ea9ab889748c313b984e3e6f92ef9ce43617b209d4fd4d282e502d32ca

• openwall.com[oss-security] 20130221 CVEs for libxml2 and expat internal and external XML entity expansionhttp://openwall.com/lists/oss-security/2013/02/22/3mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20130413 Re-evaluating expat/libxml2 CVE assignmentshttp://www.openwall.com/lists/oss-security/2013/04/12/6mailing-listx_refsource_MLIST
• www.osvdb.org90634http://www.osvdb.org/90634vdb-entryx_refsource_OSVDB
• securitytracker.com1028213http://securitytracker.com/id?1028213vdb-entryx_refsource_SECTRACK
• security.gentoo.orgGLSA-201701-21https://security.gentoo.org/glsa/201701-21vendor-advisoryx_refsource_GENTOO
• www.securityfocus.com58233http://www.securityfocus.com/bid/58233vdb-entryx_refsource_BID
• support.apple.comhttps://support.apple.com/kb/HT212805x_refsource_CONFIRM
• support.apple.comhttps://support.apple.com/kb/HT212804x_refsource_CONFIRM
• support.apple.comhttps://support.apple.com/kb/HT212807x_refsource_CONFIRM
• support.apple.comhttps://support.apple.com/kb/HT212819x_refsource_CONFIRM
• support.apple.comhttps://support.apple.com/kb/HT212814x_refsource_CONFIRM
• support.apple.comhttps://support.apple.com/kb/HT212815x_refsource_CONFIRM
• seclists.org20210921 APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15http://seclists.org/fulldisclosure/2021/Sep/33mailing-listx_refsource_FULLDISC
• seclists.org20210921 APPLE-SA-2021-09-20-2 watchOS 8http://seclists.org/fulldisclosure/2021/Sep/34mailing-listx_refsource_FULLDISC
• seclists.org20210921 APPLE-SA-2021-09-20-8 Additional information for APPLE-SA-2021-09-13-4 Security Update 2021-005 Catalinahttp://seclists.org/fulldisclosure/2021/Sep/40mailing-listx_refsource_FULLDISC
• seclists.org20210921 APPLE-SA-2021-09-20-3 tvOS 15http://seclists.org/fulldisclosure/2021/Sep/35mailing-listx_refsource_FULLDISC
• seclists.org20210921 APPLE-SA-2021-09-20-6 Additional information for APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8http://seclists.org/fulldisclosure/2021/Sep/38mailing-listx_refsource_FULLDISC
• seclists.org20210921 APPLE-SA-2021-09-20-7 Additional information for APPLE-SA-2021-09-13-3 macOS Big Sur 11.6http://seclists.org/fulldisclosure/2021/Sep/39mailing-listx_refsource_FULLDISC
• lists.apache.org[announce] 20211007 CVE-2021-40439: Apache OpenOffice: Billion Laughshttps://lists.apache.org/thread.html/r41eca5f4f09e74436cbb05dec450fc2bef37b5d3e966aa7cc5fada6d%40%3Cannounce.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[openoffice-users] 20211007 CVE-2021-40439: Apache OpenOffice: Billion Laughshttps://lists.apache.org/thread.html/rfb2c193360436e230b85547e85a41bea0916916f96c501f5b6fc4702%40%3Cusers.openoffice.apache.org%3Emailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20211007 CVE-2021-40439: Apache OpenOffice: Billion Laughshttp://www.openwall.com/lists/oss-security/2021/10/07/4mailing-listx_refsource_MLIST
• seclists.org20211027 APPLE-SA-2021-10-26-10 Additional information for APPLE-SA-2021-09-20-2 watchOS 8http://seclists.org/fulldisclosure/2021/Oct/62mailing-listx_refsource_FULLDISC
• seclists.org20211027 APPLE-SA-2021-10-26-11 Additional information for APPLE-SA-2021-09-20-3 tvOS 15http://seclists.org/fulldisclosure/2021/Oct/63mailing-listx_refsource_FULLDISC
• seclists.org20211027 APPLE-SA-2021-10-26-9 Additional information for APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15http://seclists.org/fulldisclosure/2021/Oct/61mailing-listx_refsource_FULLDISC
• github.comExpat 2.4.0 and 2.4.1 Changeloghttps://github.com/libexpat/libexpat/blob/R_2_4_1/expat/Changes
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-398330.html