CVE-2012-4031

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 98.8%
KEV: Not listed

Published

July 17, 2012

Last Modified

April 29, 2026

References (10)

cve@mitrehttp://osvdb.org/83636
cve@mitrehttp://secunia.com/advisories/49776
cve@mitrehttp://www.exploit-db.com/exploits/19526
cve@mitrehttp://www.securityfocus.com/bid/54267
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/76682
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/83636
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/49776
af854a3a-2127-422b-91ae-364da2661108http://www.exploit-db.com/exploits/19526
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/54267
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/76682

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-22Path Traversal

Data Freshness Timeline

(refreshed 7× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 03:56 UTCEG score recompute
2026-05-29 03:56 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-24 16:43 UTCepss_batch
2026-05-21 22:39 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-19526
First seen Jul 2, 2012
WANGKONGBAO CNS-1000 UTM IPS-FW - Directory Traversal (Metasploit)
Open source ↗
Metasploitauxiliary/scanner/http/wangkongbao_traversal✓ verified
First seen Jan 1, 2012
WANGKONGBAO CNS-1000 and 1100 UTM Directory Traversal
Open source ↗

Frequently asked(4)

What is CVE-2012-4031?

CVE-2012-4031 is a none vulnerability published on July 17, 2012. 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.

When was CVE-2012-4031 disclosed?

CVE-2012-4031 was first published in the National Vulnerability Database on July 17, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2012-4031 actively exploited?

CVE-2012-4031 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2012-4031?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-4031, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2012-4031

📅 Published

🔄 Last Modified

🔗 References (10)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2012-4031?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (10)

Frequently asked(4)

Related CVEs(same CWE)