CVE-2014-2111

NONECVSS 0.0

0.0

The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (device reload) via crafted DNS packets, aka Bug ID CSCue00996.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 77.7%
KEV: Not listed

Published

March 27, 2014

Last Modified

May 6, 2026

References (4)

psirt@ciscohttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140326-nat
psirt@ciscohttp://www.securityfocus.com/bid/66470
af854a3a-2127-422b-91ae-364da2661108http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140326-nat
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/66470

Weakness Classification(1)

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

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 14× 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.

2026-06-06 13:45 UTCepss_batch
2026-06-06 13:45 UTCepss_batch
2026-06-05 22:44 UTCepss_batch
2026-06-05 22:44 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
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 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 19:46 UTCEG score recompute
2026-05-28 19:46 UTCGHSA enrichment

Frequently asked(4)

What is CVE-2014-2111?

CVE-2014-2111 is a none vulnerability published on March 27, 2014. The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (device reload) via crafted DNS packets, aka Bug ID CSCue00996.

When was CVE-2014-2111 disclosed?

CVE-2014-2111 was first published in the National Vulnerability Database on March 27, 2014, 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-2014-2111 actively exploited?

CVE-2014-2111 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2014-2111?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-2111, 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-2014-2111

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2014-2111?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(4)

Related CVEs(same CWE)