CVE-2015-4221

NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0

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

Cisco Unified Communications Manager IM and Presence Service 9.1(1) does not properly restrict access to encrypted passwords, which allows remote attackers to determine cleartext passwords, and consequently execute arbitrary commands, by visiting an unspecified web page and then conducting a decryption attack, aka Bug ID CSCuq46194.

CVSS v3
—
EG Score
0.0(none)
EG Risk
0
EG Risk 0/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses intrinsic severity with real-world exploitation and automatability, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. It is distinct from the 0–10 EG Score, which measures severity.

EPSS
81.8%
KEV
Not listed

Published

June 26, 2015

Last Modified

May 6, 2026

References (6)

Data Freshness Timeline

(refreshed 14× 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. 2026-07-24 14:13 UTCEPSS rescore
  2. 2026-07-23 14:14 UTCEPSS rescore
  3. 2026-07-23 01:18 UTCEG score recompute
  4. 2026-07-23 00:20 UTCEG score recompute
  5. 2026-07-22 21:58 UTCEG score recompute
  6. 2026-07-22 14:04 UTCEPSS rescore
  7. 2026-07-21 15:21 UTCEPSS rescore
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  1. 2026-07-06 16:24 UTCEPSS rescore
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  8. 2026-06-30 23:19 UTCEPSS rescore
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  23. 2026-06-19 19:23 UTCEPSS rescore
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  36. 2026-06-08 14:14 UTCEPSS rescore
  37. 2026-06-07 15:22 UTCEPSS rescore
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  46. 2026-06-01 13:49 UTCEPSS rescore
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  48. 2026-05-31 22:28 UTCEPSS rescore
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  51. 2026-05-31 00:14 UTCEPSS rescore
  52. 2026-05-29 13:41 UTCEPSS rescore
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  55. 2026-05-27 13:38 UTCEPSS rescore
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  61. 2026-05-24 16:43 UTCEPSS rescore
  62. 2026-05-23 15:10 UTCEPSS rescore
  63. 2026-05-23 00:55 UTCEG score recompute
  64. 2026-05-23 00:55 UTCGHSA enrichment
  65. 2026-05-22 21:15 UTCEPSS rescore
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  67. 2026-05-21 22:40 UTCEPSS rescore
  68. 2026-05-20 22:37 UTCEPSS rescore
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  73. 2026-05-18 21:30 UTCEPSS rescore
  74. 2026-05-18 21:30 UTCEPSS rescore

Frequently asked(4)

What is CVE-2015-4221?
CVE-2015-4221 is a none vulnerability published on June 26, 2015. Cisco Unified Communications Manager IM and Presence Service 9.1(1) does not properly restrict access to encrypted passwords, which allows remote attackers to determine cleartext passwords, and consequently execute arbitrary commands, by visiting an unspecified web page and then conducting a…
When was CVE-2015-4221 disclosed?
CVE-2015-4221 was first published in the National Vulnerability Database on June 26, 2015, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-4221 actively exploited?
CVE-2015-4221 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2015-4221?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-4221, 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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