How severe is CVE-2012-0239?

CVE-2012-0239 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-0239 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0239?

CVE-2012-0239 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-2012-0239?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-0239 published?

CVE-2012-0239 was published on 2012-02-21 and last updated on 2026-06-16.

CVE-2012-0239

CVE-2012-0239 is a medium-severity vulnerability in Advantech Advantech Webaccess with a CVSS 2.0 base score of 5.0. 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-287.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Advantech Advantech Webaccess
Published: 2012-02-21
Last modified: 2026-06-16

Description

uaddUpAdmin.asp in Advantech/BroadWin WebAccess before 7.0 does not properly perform authentication, which allows remote attackers to modify an administrative password via a password-change request.

Frequently asked questions

What is CVE-2012-0239?: uaddUpAdmin.asp in Advantech/BroadWin WebAccess before 7.0 does not properly perform authentication, which allows remote attackers to modify an administrative password via a password-change request.
How severe is CVE-2012-0239?: CVE-2012-0239 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-0239 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0239?: CVE-2012-0239 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-2012-0239?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0239 published?: CVE-2012-0239 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:*:*:*:*:*:*:*

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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…

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →