CVE-2011-4837

NONECVSS 0.0Trending — 3 sources updated this weekWeaponized

0.0

Cross-site request forgery (CSRF) vulnerability in /ctrl in the web interface in HomeSeer HS2 2.5.0.20 allows remote attackers to hijack the authentication of admins for requests that execute arbitrary programs.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 36.5%
KEV: Not listed

Published

December 15, 2011

Last Modified

April 29, 2026

References (2)

cve@mitrehttp://www.kb.cert.org/vuls/id/796883
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/796883

Weakness Classification(1)

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

CWE-352Cross-Site Request Forgery (CSRF)

Data Freshness Timeline

(refreshed 12× 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.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 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 06:00 UTCEG score recompute
2026-05-29 06:00 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:43 UTCepss_batch

Publicly available exploits

(1 reference)

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

Exploit-DBEDB-18567✓ verified
First seen Mar 7, 2012
HomeSeer HS2 and HomeSeer PRO - Multiple Vulnerabilities
Open source ↗

Frequently asked(4)

What is CVE-2011-4837?

CVE-2011-4837 is a none vulnerability published on December 15, 2011. Cross-site request forgery (CSRF) vulnerability in /ctrl in the web interface in HomeSeer HS2 2.5.0.20 allows remote attackers to hijack the authentication of admins for requests that execute arbitrary programs.

When was CVE-2011-4837 disclosed?

CVE-2011-4837 was first published in the National Vulnerability Database on December 15, 2011, 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-2011-4837 actively exploited?

CVE-2011-4837 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 36.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-4837?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4837, 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-2011-4837

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-4837?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(4)

Related CVEs(same CWE)