CVE-2017-7468

MEDIUMNVD 4.87.5▲
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 4.8; sources differ by 2.7.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
4.8
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 2%CVSS: 4.8Exploit: NoneExposed: 0

A fix is available — apply it.

In curl and libcurl 7.52.0 to and including 7.53.1, libcurl would attempt to resume a TLS session even if the client certificate had changed. That is unacceptable since a server by specification is allowed to skip the client certificate check on resume, and may instead use the old identity which was established by the previous certificate (or no certificate). libcurl supports by default the use of TLS session id/ticket to resume previous TLS sessions to speed up subsequent TLS handshakes. They are used when for any reason an existing TLS connection couldn't be kept alive to make the next handshake faster. This flaw is a regression and identical to CVE-2016-5419 reported on August 3rd 2016, but affecting a different version range.

CVSS v3
4.8
EG Score
7.5(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity75% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
77.0%
KEV
Not listed

Published

July 16, 2018

Last Modified

November 21, 2024

References (10)

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibcurl3 (7.52.1-4ubuntu1.1) @ zesty2026-05-28ubuntu

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.

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.

Data Freshness Timeline

(refreshed 14× in last 7d / 47× 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. 2026-07-23 01:30 UTCEG score recompute
  2. 2026-07-22 22:10 UTCEG score recompute
  3. 2026-07-22 14:04 UTCEPSS rescore
  4. 2026-07-21 15:21 UTCEPSS rescore
  5. 2026-07-21 08:48 UTCOSV refresh
  6. 2026-07-20 17:04 UTCEPSS rescore
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  1. 2026-07-06 16:24 UTCEPSS rescore
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  8. 2026-07-04 04:26 UTCOSV refresh
  9. 2026-07-02 16:54 UTCEPSS rescore
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  11. 2026-06-30 23:19 UTCEPSS rescore
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  29. 2026-06-19 19:23 UTCEPSS rescore
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  31. 2026-06-18 17:50 UTCEPSS rescore
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  35. 2026-06-15 16:13 UTCOSV refresh
  36. 2026-06-14 23:14 UTCEPSS rescore
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  42. 2026-06-11 13:57 UTCEPSS rescore
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  44. 2026-06-10 13:19 UTCEPSS rescore
  45. 2026-06-08 14:14 UTCEPSS rescore
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  49. 2026-06-06 13:45 UTCEPSS rescore
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  59. 2026-06-01 13:49 UTCEPSS rescore
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  61. 2026-05-31 22:28 UTCEPSS rescore
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  64. 2026-05-29 13:41 UTCEPSS rescore
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  66. 2026-05-28 13:42 UTCEPSS rescore
  67. 2026-05-28 05:13 UTCEG score recompute
  68. 2026-05-28 05:13 UTCVendor advisory
  69. 2026-05-28 05:13 UTCGHSA enrichment
  70. 2026-05-27 13:38 UTCEPSS rescore
  71. 2026-05-27 13:38 UTCEPSS rescore
  72. 2026-05-26 13:42 UTCEPSS rescore
  73. 2026-05-26 07:17 UTCEPSS rescore
  74. 2026-05-26 07:17 UTCEPSS rescore
  75. 2026-05-25 16:16 UTCOSV refresh

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Frequently asked(5)

What is CVE-2017-7468?
CVE-2017-7468 is a medium vulnerability published on July 16, 2018. In curl and libcurl 7.52.0 to and including 7.53.1, libcurl would attempt to resume a TLS session even if the client certificate had changed. That is unacceptable since a server by specification is allowed to skip the client certificate check on resume, and may instead use the old identity which…
When was CVE-2017-7468 disclosed?
CVE-2017-7468 was first published in the National Vulnerability Database on July 16, 2018, 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-2017-7468 actively exploited?
CVE-2017-7468 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-7468?
CVE-2017-7468 has a CVSS v3 base score of 4.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.5.
How do I remediate CVE-2017-7468?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-7468, 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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