Is CVE-2012-4031 being actively exploited?

CVE-2012-4031 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-4031?

CVE-2012-4031 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2012-4031

MEDIUM · CVSS 5.0EPSS 52.3%EU EUVD

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.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-22
EPSS score: 52.3% (99th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-3975)
Published: July 17, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-3975 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

wangkongbao / cns-1000
wangkongbao / cns-1100

References

http://osvdb.org/83636
http://secunia.com/advisories/49776(Vendor Advisory)
http://www.exploit-db.com/exploits/19526(Exploit)
http://www.securityfocus.com/bid/54267(Exploit)
https://exchange.xforce.ibmcloud.com/vulnerabilities/76682

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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