CVE-2019-12660

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.5 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 78% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

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

A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker to write values to the underlying memory of an affected device. The vulnerability is due to improper input validation and authorization of specific commands that a user can execute within the CLI. An attacker could exploit this vulnerability by authenticating to an affected device and issuing a specific set of commands. A successful exploit could allow the attacker to modify the configuration of the device to cause it to be non-secure and abnormally functioning.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
25(Track)
EG Risk 25/100SSVC: Track

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. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

September 25, 2019

Last Modified

November 21, 2024

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× 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. 2026-07-26 14:51 UTCEPSS rescore
  2. 2026-07-25 14:14 UTCEPSS rescore
  3. 2026-07-24 14:14 UTCEPSS rescore
  4. 2026-07-24 14:14 UTCEPSS rescore
  5. 2026-07-23 14:15 UTCEPSS rescore
  6. 2026-07-23 01:39 UTCEG score recompute
  7. 2026-07-22 22:19 UTCEG score recompute
  8. 2026-07-22 14:05 UTCEPSS rescore
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  1. 2026-07-07 13:42 UTCEPSS rescore
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  7. 2026-07-02 16:56 UTCEPSS rescore
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  20. 2026-06-24 14:03 UTCEPSS rescore
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  22. 2026-06-23 21:30 UTCEPSS rescore
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  24. 2026-06-22 14:23 UTCEPSS rescore
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  26. 2026-06-21 14:54 UTCEPSS rescore
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  30. 2026-06-19 19:23 UTCEPSS rescore
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  40. 2026-06-11 13:58 UTCEPSS rescore
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  42. 2026-06-10 22:16 UTCEPSS rescore
  43. 2026-06-10 13:19 UTCEPSS rescore
  44. 2026-06-08 14:15 UTCEPSS rescore
  45. 2026-06-08 14:14 UTCEPSS rescore
  46. 2026-06-07 15:23 UTCEPSS rescore
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  48. 2026-06-06 13:45 UTCEPSS rescore
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  50. 2026-06-05 22:45 UTCEPSS rescore
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  54. 2026-06-04 13:10 UTCEPSS rescore
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  56. 2026-06-02 20:11 UTCEPSS rescore
  57. 2026-06-01 13:50 UTCEPSS rescore
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  59. 2026-05-31 22:29 UTCEPSS rescore
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  61. 2026-05-31 00:14 UTCEPSS rescore
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  63. 2026-05-29 13:42 UTCEPSS rescore
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  65. 2026-05-27 13:38 UTCEPSS rescore
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  68. 2026-05-26 07:17 UTCEPSS rescore
  69. 2026-05-26 07:17 UTCEPSS rescore
  70. 2026-05-23 03:14 UTCEG score recompute
  71. 2026-05-23 03:14 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2019-12660?
CVE-2019-12660 is a medium vulnerability published on September 25, 2019. A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker to write values to the underlying memory of an affected device. The vulnerability is due to improper input validation and authorization of specific commands that a user can execute within the CLI. An…
When was CVE-2019-12660 disclosed?
CVE-2019-12660 was first published in the National Vulnerability Database on September 25, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-12660 actively exploited?
CVE-2019-12660 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 77.6% of all scored CVEs.
What is the CVSS score of CVE-2019-12660?
CVE-2019-12660 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2019-12660?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-12660, 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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