How severe is CVE-2020-4463?

CVE-2020-4463 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2020-4463 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 32% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4463?

CVE-2020-4463 primarily affects Ibm Maximo Asset Management. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4463?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-4463 published?

CVE-2020-4463 was published on 2020-07-29 and last updated on 2026-06-17.

CVE-2020-4463

CVE-2020-4463 is a high-severity vulnerability in Ibm Maximo Asset Management with a CVSS 3.x base score of 8.2. Its EPSS exploit-prediction score of 32% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-611.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 6.4
EPSS exploit prediction: 32% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Ibm Maximo Asset Management
Published: 2020-07-29
Last modified: 2026-06-17

Description

IBM Maximo Asset Management 7.6.0.1 and 7.6.0.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 181484.

Frequently asked questions

What is CVE-2020-4463?: IBM Maximo Asset Management 7.6.0.1 and 7.6.0.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 181484.
How severe is CVE-2020-4463?: CVE-2020-4463 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2020-4463 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 32% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4463?: CVE-2020-4463 primarily affects Ibm Maximo Asset Management. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4463?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-4463 published?: CVE-2020-4463 was published on 2020-07-29 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ibm:maximo_asset_management:7.6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:maximo_asset_management:7.6.0.2:*:*:*:*:*:*:*

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CVE-2020-4493 — Critical (CVSS 9.8): IBM Maximo Asset Management 7.6.0 and 7.6.1 could allow an attacker to bypass authentication and issue commands using a…
CVE-2013-3323 — Critical (CVSS 9.8): A Privilege Escalation Vulnerability exists in IBM Maximo Asset Management 7.5, 7.1, and 6.2, when WebSeal with Basic…
CVE-2017-1175 — Critical (CVSS 9.8): IBM Maximo Asset Management 7.1, 7.5, and 7.6 is vulnerable to SQL injection. A remote attacker could send…
CVE-2020-4521 — High (CVSS 8.8): IBM Maximo Asset Management 7.6.0 and 7.6.1 could allow a remote authenticated attacker to execute arbitrary code on…
CVE-2018-1524 — High (CVSS 8.8): IBM Maximo Asset Management 7.6 through 7.6.3 installs with a default administrator account that a remote intruder…

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Other CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities

CVE-2022-22486 — Critical (CVSS 10.0): IBM Tivoli Workload Scheduler 9.4, 9.5, and 10.1 is vulnerable to an XML External Entity Injection (XXE) attack when…
CVE-2019-14678 — Critical (CVSS 10.0): SAS XML Mapper 9.45 has an XML External Entity (XXE) vulnerability that can be leveraged by malicious attackers in…
CVE-2015-9280 — Critical (CVSS 10.0): MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.
CVE-2018-1000838 — Critical (CVSS 10.0): autopsy version <= 4.9.0 contains a XML External Entity (XXE) vulnerability in CaseMetadata XML Parser that can result…
CVE-2018-1000837 — Critical (CVSS 10.0): UML Designer version <= 8.0.0 contains a XML External Entity (XXE) vulnerability in XML parser for plugins that can…
CVE-2018-1000835 — Critical (CVSS 10.0): KeePassDX version <= 2.5.0.0beta17 contains a XML External Entity (XXE) vulnerability in kdbx file parser that can…

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