CVE-2007-4961

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory published 2022-05-01. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The login_to_simulator method in Linden Lab Second Life, as used by the secondlife:// protocol handler and possibly other Second Life login mechanisms, sends an MD5 hash in cleartext in the passwd field, which allows remote attackers to login to an account by sniffing the network and then sending this hash to a Second Life authentication server.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
66.3%
KEV
Not listed

Published

September 18, 2007

Last Modified

April 23, 2026

References (4)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 39× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-11 08:22 UTCEPSS rescore
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  1. 2026-06-21 01:56 UTCEPSS rescore
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  34. 2026-05-31 00:53 UTCEG score recompute
  35. 2026-05-31 00:53 UTCGHSA enrichment
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  49. 2026-05-24 16:42 UTCEPSS rescore
  50. 2026-05-22 21:15 UTCEPSS rescore
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  52. 2026-05-21 22:38 UTCEPSS rescore
  53. 2026-05-20 11:20 UTCEPSS rescore
  54. 2026-05-20 11:20 UTCEPSS rescore
  55. 2026-05-18 21:29 UTCEPSS rescore
  56. 2026-05-18 21:29 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2007-4961?
CVE-2007-4961 is a high vulnerability published on September 18, 2007. The logintosimulator method in Linden Lab Second Life, as used by the secondlife:// protocol handler and possibly other Second Life login mechanisms, sends an MD5 hash in cleartext in the passwd field, which allows remote attackers to login to an account by sniffing the network and then sending…
When was CVE-2007-4961 disclosed?
CVE-2007-4961 was first published in the National Vulnerability Database on September 18, 2007, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2007-4961 actively exploited?
CVE-2007-4961 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2007-4961?
CVE-2007-4961 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2007-4961?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-4961, 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.

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