How severe is CVE-2012-4031?

CVE-2012-4031 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-4031 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 52% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4031?

CVE-2012-4031 primarily affects Wangkongbao Cns-1000. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4031?

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

When was CVE-2012-4031 published?

CVE-2012-4031 was published on 2012-07-17 and last updated on 2026-06-16.

CVE-2012-4031

CVE-2012-4031 is a medium-severity vulnerability in Wangkongbao Cns-1000 with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 52% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 52% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Wangkongbao Cns-1000
Published: 2012-07-17
Last modified: 2026-06-16

Description

Multiple directory traversal vulnerabilities in src/acloglogin.php in Wangkongbao CNS-1000 and 1100 allow remote attackers to read arbitrary files via a .. (dot dot) in the (1) lang or (2) langid cookie to port 85.

Frequently asked questions

What is CVE-2012-4031?: Multiple directory traversal vulnerabilities in src/acloglogin.php in Wangkongbao CNS-1000 and 1100 allow remote attackers to read arbitrary files via a .. (dot dot) in the (1) lang or (2) langid cookie to port 85.
How severe is CVE-2012-4031?: CVE-2012-4031 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-4031 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 52% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4031?: CVE-2012-4031 primarily affects Wangkongbao Cns-1000. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4031?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4031 published?: CVE-2012-4031 was published on 2012-07-17 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:h:wangkongbao:cns-1000:*:*:*:*:*:*:*:*
cpe:2.3:h:wangkongbao:cns-1100:*:*:*:*:*:*:*:*

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