CVE-2015-0121

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

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

IBM Rational Requirements Composer 3.0 through 3.0.1.6 and 4.0 through 4.0.7 and Rational DOORS Next Generation (RDNG) 4.0 through 4.0.7 and 5.0 through 5.0.2, when LTPA single sign on is used with WebSphere Application Server, do not terminate a Requirements Management (RM) session upon LTPA token expiration, which allows remote attackers to obtain access by leveraging an unattended workstation.

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
35.7%
KEV
Not listed

Published

May 30, 2015

Last Modified

May 6, 2026

References (4)

Data Freshness Timeline

(refreshed 14× in last 7d / 40× 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 01:15 UTCEG score recompute
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  5. 2026-07-22 21:57 UTCEG score recompute
  6. 2026-07-22 14:04 UTCEPSS rescore
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  1. 2026-07-06 16:24 UTCEPSS rescore
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  62. 2026-05-24 16:43 UTCEPSS rescore
  63. 2026-05-23 15:10 UTCEPSS rescore
  64. 2026-05-23 01:17 UTCEG score recompute
  65. 2026-05-23 01:17 UTCGHSA enrichment
  66. 2026-05-22 21:15 UTCEPSS rescore
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  68. 2026-05-21 22:40 UTCEPSS rescore
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  74. 2026-05-18 21:30 UTCEPSS rescore
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Frequently asked(4)

What is CVE-2015-0121?
CVE-2015-0121 is a none vulnerability published on May 30, 2015. IBM Rational Requirements Composer 3.0 through 3.0.1.6 and 4.0 through 4.0.7 and Rational DOORS Next Generation (RDNG) 4.0 through 4.0.7 and 5.0 through 5.0.2, when LTPA single sign on is used with WebSphere Application Server, do not terminate a Requirements Management (RM) session upon LTPA token…
When was CVE-2015-0121 disclosed?
CVE-2015-0121 was first published in the National Vulnerability Database on May 30, 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-2015-0121 actively exploited?
CVE-2015-0121 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2015-0121?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-0121, 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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