Out-of-bounds write in N/a Libxml2
CVSS score
8.6
EPSS probability
%17.0
Risk score
1.5
Published
5 y ago
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Vulnerability description
DayBreach CVE AI Research
CVE-2021-3517 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2021-3517 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | n/a | libxml2 | View |
| 2 | xmlsoft | libxml2 | View |
| 3 | redhat | jboss core services | View |
| 4 | redhat | enterprise linux | View |
| 5 | fedoraproject | fedora | View |
| 6 | fedoraproject | fedora | View |
| 7 | debian | debian linux | View |
| 8 | netapp | active iq unified manager | View |
| 9 | netapp | clustered data ontap | View |
| 10 | netapp | clustered data ontap antivirus connector | View |
| 11 | netapp | e-series santricity os controller | View |
| 12 | netapp | e-series santricity storage manager | View |
| 13 | netapp | e-series santricity web services | View |
| 14 | netapp | hci management node | View |
| 15 | netapp | manageability software development kit | View |
| 16 | netapp | oncommand insight | View |
| 17 | netapp | oncommand workflow automation | View |
| 18 | netapp | ontap select deploy administration utility | View |
| 19 | netapp | santricity unified manager | View |
| 20 | netapp | snapdrive | View |
| 21 | netapp | snapmanager | View |
| 22 | netapp | solidfire | View |
| 23 | netapp | hci h410c firmware | View |
| 24 | netapp | hci h410c | View |
| 25 | oracle | communications cloud native core network function cloud native environment | View |
| 26 | oracle | enterprise manager base platform | View |
| 27 | oracle | enterprise manager base platform | View |
| 28 | oracle | mysql workbench | View |
| 29 | oracle | openjdk | View |
| 30 | oracle | peoplesoft enterprise peopletools | View |
| 31 | oracle | real user experience insight | View |
| 32 | oracle | real user experience insight | View |
| 33 | oracle | zfs storage appliance kit | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 8.6 | CVSS V31 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H | NVD |
| 8.6 | CVSS V3_1 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H | CVE ADP |
| 7.5 | CVSS V2 | — | AV:N/AC:L/Au:N/C:P/I:P/A:P | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
4 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.
Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-3517 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-3517 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
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