CVE-2019-4391
CVE-2019-4391 is a high-severity vulnerability in Hcltech Appscan with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. 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: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-611
- Affected product: Hcltech Appscan
- Published:
- Last modified:
Description
HCL AppScan Standard is vulnerable to XML External Entity Injection (XXE) attack when processing XML data
Frequently asked questions
- What is CVE-2019-4391?
- HCL AppScan Standard is vulnerable to XML External Entity Injection (XXE) attack when processing XML data
- How severe is CVE-2019-4391?
- CVE-2019-4391 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-2019-4391 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-4391?
- CVE-2019-4391 affects Hcltech Appscan. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-4391?
- 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-2019-4391 published?
- CVE-2019-4391 was published on 2020-04-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:hcltech:appscan:*:*:*:*:standard:*:*:*
More vulnerabilities in Hcltech Appscan
- CVE-2019-4393 — Critical (CVSS 9.8): HCL AppScan Standard is vulnerable to excessive authorization attempts
- CVE-2019-4392 — Critical (CVSS 9.8): HCL AppScan Standard Edition 9.0.3.13 and earlier uses hard-coded credentials which can be exploited by attackers to…
- CVE-2019-4326 — High (CVSS 7.5): "HCL AppScan Enterprise security rules update administration section of the web application console is missing HTTP…
- CVE-2019-4327 — High (CVSS 7.5): "HCL AppScan Enterprise uses hard-coded credentials which can be exploited by attackers to get unauthorized access to…
- CVE-2019-4324 — Medium (CVSS 6.1): "HCL AppScan Enterprise is susceptible to Cross-Site Scripting while importing a specially crafted test policy."
- CVE-2019-4325 — Medium (CVSS 5.3): "HCL AppScan Enterprise makes use of broken or risky cryptographic algorithm to store REST API user details."
All CVEs affecting Hcltech Appscan →
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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