CVE-2019-4393
CVE-2019-4393 is a critical-severity vulnerability in Hcltech Appscan with a CVSS 3.x base score of 9.8. 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-307.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-307
- Affected product: Hcltech Appscan
- Published:
- Last modified:
Description
HCL AppScan Standard is vulnerable to excessive authorization attempts
Frequently asked questions
- What is CVE-2019-4393?
- HCL AppScan Standard is vulnerable to excessive authorization attempts
- How severe is CVE-2019-4393?
- CVE-2019-4393 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-4393 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-4393?
- CVE-2019-4393 affects Hcltech Appscan. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-4393?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2019-4393 published?
- CVE-2019-4393 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-2019-4392 — 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-2019-4391 — High (CVSS 8.2): HCL AppScan Standard is vulnerable to XML External Entity Injection (XXE) attack when processing XML data
- 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."
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