CVE-2011-4521
CVE-2011-4521 is a high-severity vulnerability in Advantech Advantech Webaccess with a CVSS 2.0 base score of 7.5. 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-89.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Advantech Advantech Webaccess
- Published:
- Last modified:
Description
SQL injection vulnerability in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary SQL commands via crafted string input.
Frequently asked questions
- What is CVE-2011-4521?
- SQL injection vulnerability in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary SQL commands via crafted string input.
- How severe is CVE-2011-4521?
- CVE-2011-4521 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2011-4521 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-2011-4521?
- CVE-2011-4521 primarily affects Advantech Advantech Webaccess. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-4521?
- 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-2011-4521 published?
- CVE-2011-4521 was published on 2012-02-21 and last updated on 2026-06-16.
References
Affected products (2)
- cpe:2.3:a:advantech:advantech_webaccess:*:*:*:*:*:*:*:*
- cpe:2.3:a:advantech:advantech_webaccess:5.0:*:*:*:*:*:*:*
More vulnerabilities in Advantech Advantech Webaccess
- CVE-2012-0243 — Critical (CVSS 10.0): Buffer overflow in an ActiveX control in bwocxrun.ocx in Advantech/BroadWin WebAccess before 7.0 allows remote…
- CVE-2012-0242 — Critical (CVSS 10.0): Format string vulnerability in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary…
- CVE-2012-0240 — Critical (CVSS 10.0): GbScriptAddUp.asp in Advantech/BroadWin WebAccess before 7.0 does not properly perform authentication, which allows…
- CVE-2012-0238 — Critical (CVSS 10.0): Stack-based buffer overflow in opcImg.asp in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute…
- CVE-2011-4526 — Critical (CVSS 10.0): Buffer overflow in an ActiveX control in Advantech/BroadWin WebAccess before 7.0 might allow remote attackers to…
- CVE-2011-4525 — Critical (CVSS 10.0): Advantech/BroadWin WebAccess before 7.0 allows remote attackers to trigger the extraction of arbitrary web content into…
All CVEs affecting Advantech Advantech Webaccess →
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