CVE-2009-1384

NONECVSS 0.0Trending — 4 sources updated this week

0.0

pam_krb5 2.2.14 through 2.3.4, as used in Red Hat Enterprise Linux (RHEL) 5, generates different password prompts depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 83.0%
KEV: Not listed

Published

May 28, 2009

Last Modified

April 23, 2026

References (24)

secalert@redhathttp://osvdb.org/54791
secalert@redhathttp://secunia.com/advisories/35230
secalert@redhathttp://secunia.com/advisories/43314
secalert@redhathttp://www.mandriva.com/security/advisories?name=MDVSA-2010:054
secalert@redhathttp://www.openwall.com/lists/oss-security/2009/05/27/1
secalert@redhathttp://www.securityfocus.com/archive/1/516397/100/0/threaded
secalert@redhathttp://www.securityfocus.com/bid/35112
secalert@redhathttp://www.vmware.com/security/advisories/VMSA-2011-0003.html
secalert@redhathttp://www.vupen.com/english/advisories/2009/1448
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=502602
secalert@redhathttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7081
secalert@redhathttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9652
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/54791
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/35230
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/43314

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	pam_krb5-0:2.2.14-15	2010-03-29	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

CWE-287Improper Authentication

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Red HatRHSA-2010:0258LOW2009-05-27
RHSA-2010:0258 — Low

Data Freshness Timeline

(refreshed 15× 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
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-30 16:43 UTCEG score recompute
2026-05-30 16:43 UTCVendor advisory
2026-05-30 16:43 UTCGHSA enrichment
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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

Frequently asked(4)

What is CVE-2009-1384?

CVE-2009-1384 is a none vulnerability published on May 28, 2009. pam_krb5 2.2.14 through 2.3.4, as used in Red Hat Enterprise Linux (RHEL) 5, generates different password prompts depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.

When was CVE-2009-1384 disclosed?

CVE-2009-1384 was first published in the National Vulnerability Database on May 28, 2009, 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-2009-1384 actively exploited?

CVE-2009-1384 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-1384?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-1384, 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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CVE-2009-1384

Published

Last Modified

References (24)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-1384?

Same vendor

Same CWE

CVE-2009-1384

📅 Published

🔄 Last Modified

🔗 References (24)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-1384?

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References (24)

Frequently asked(4)

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