CVE-2017-3169

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 20%CVSS: 9.8Exploit: Elevated riskExposed: 0

A fix is available — apply it.

In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_ssl may dereference a NULL pointer when third-party modules call ap_hook_process_connection() during an HTTP request to an HTTPS port.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
65(Track*)
EG Risk 65/100SSVC: 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
Severity98% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
20%
EPSS %ILE
97%
KEV
Not listed

Published

June 20, 2017

Last Modified

June 17, 2026

Advisory Details (9)

Auto-updated Jul 26, 2026
Patch available. Sources: redhat.
redhat Patch Available

Affected: Red Hat Enterprise Linux 6.7 Extended Update Support.

https://access.redhat.com/errata/RHSA-2017:3195
redhat Patch Available

Affected: Red Hat Enterprise Linux 7.3 Extended Update Support.

https://access.redhat.com/errata/RHSA-2017:3194
redhat Patch Available

Affected: Red Hat Enterprise Linux 7.2 Extended Update Support.

https://access.redhat.com/errata/RHSA-2017:3193
redhat Patch Available
https://access.redhat.com/errata/RHSA-2017:2483
redhat Patch Available

Affected: Red Hat Enterprise Linux 7.

https://access.redhat.com/errata/RHSA-2017:2479
redhat Patch Available

Affected: Red Hat Enterprise Linux 6.

https://access.redhat.com/errata/RHSA-2017:2478
generic
http://www.securitytracker.com/id/1038711
generic
http://www.securityfocus.com/bid/99134
generic

[SECURITY] [DSA 3896-1] apache2 security update

http://www.debian.org/security/2017/dsa-3896

Patch Availability(11)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuapache2-bin (2.4.25-3ubuntu2.1) @ zesty2026-05-20ubuntu
ubuntuapache2.2-bin (2.2.22-1ubuntu1.12) @ precise2026-05-20ubuntu
redhatjbcs-httpd24-mod_cluster-native-0:1.3.8-1.Final_redhat_1.jbcs.el72017-12-15redhat
redhatjbcs-httpd24-mod_cluster-native-0:1.3.8-1.Final_redhat_1.jbcs.el62017-12-15redhat
redhathttpd2017-12-15redhat
redhathttpd-0:2.4.6-40.el7_2.62017-11-13redhat
redhathttpd-0:2.4.6-45.el7_3.52017-11-13redhat
redhathttpd-0:2.2.15-47.el6_7.52017-11-13redhat
redhathttpd24-httpd-0:2.4.25-9.el7.12017-08-16redhat
redhathttpd-0:2.4.6-67.el7_4.22017-08-15redhat
redhathttpd-0:2.2.15-60.el6_9.52017-08-15redhat

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

(11)

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 9× in last 7d / 34× 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.

Showing the most recent 100 of 113 total refreshes for this CVE.

  1. 2026-07-26 14:51 UTCEPSS rescore
  2. 2026-07-25 04:41 UTCOSV refresh
  3. 2026-07-23 14:15 UTCEPSS rescore
  4. 2026-07-23 01:29 UTCEG score recompute
  5. 2026-07-22 22:08 UTCEG score recompute
  6. 2026-07-22 14:04 UTCEPSS rescore
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  8. 2026-07-21 15:21 UTCEPSS rescore
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  11. 2026-07-19 02:26 UTCEPSS rescore
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  14. 2026-07-16 16:59 UTCEPSS rescore
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  16. 2026-07-15 16:54 UTCEPSS rescore
  17. 2026-07-13 22:26 UTCEPSS rescore
  18. 2026-07-12 05:43 UTCEPSS rescore
  19. 2026-07-11 08:24 UTCEPSS rescore
  20. 2026-07-09 19:06 UTCEPSS rescore
  21. 2026-07-08 15:10 UTCEPSS rescore
  22. 2026-07-07 23:27 UTCOSV refresh
  23. 2026-07-07 13:42 UTCEPSS rescore
  24. 2026-07-06 16:24 UTCEPSS rescore
  25. 2026-07-06 16:24 UTCEPSS rescore
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  1. 2026-07-06 02:20 UTCEPSS rescore
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  3. 2026-07-05 02:27 UTCEPSS rescore
  4. 2026-07-04 06:28 UTCEPSS rescore
  5. 2026-07-02 16:54 UTCEPSS rescore
  6. 2026-07-01 15:02 UTCEPSS rescore
  7. 2026-06-30 23:19 UTCEPSS rescore
  8. 2026-06-30 23:19 UTCEPSS rescore
  9. 2026-06-28 14:04 UTCEPSS rescore
  10. 2026-06-28 04:53 UTCEPSS rescore
  11. 2026-06-27 03:06 UTCEPSS rescore
  12. 2026-06-27 03:05 UTCEPSS rescore
  13. 2026-06-25 13:47 UTCEPSS rescore
  14. 2026-06-24 14:02 UTCEPSS rescore
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  16. 2026-06-23 21:30 UTCEPSS rescore
  17. 2026-06-22 14:23 UTCEPSS rescore
  18. 2026-06-22 14:23 UTCEPSS rescore
  19. 2026-06-21 14:54 UTCEPSS rescore
  20. 2026-06-21 14:54 UTCEPSS rescore
  21. 2026-06-21 01:57 UTCEPSS rescore
  22. 2026-06-21 01:57 UTCEPSS rescore
  23. 2026-06-19 19:23 UTCEPSS rescore
  24. 2026-06-19 19:23 UTCEPSS rescore
  25. 2026-06-19 11:25 UTCOSV refresh
  26. 2026-06-18 17:50 UTCEPSS rescore
  27. 2026-06-17 17:50 UTCEPSS rescore
  28. 2026-06-16 17:50 UTCEPSS rescore
  29. 2026-06-16 17:50 UTCEPSS rescore
  30. 2026-06-15 17:45 UTCEPSS rescore
  31. 2026-06-13 22:57 UTCEPSS rescore
  32. 2026-06-12 23:09 UTCEPSS rescore
  33. 2026-06-10 22:15 UTCEPSS rescore
  34. 2026-06-10 13:19 UTCEPSS rescore
  35. 2026-06-08 14:14 UTCEPSS rescore
  36. 2026-06-08 14:14 UTCEPSS rescore
  37. 2026-06-06 13:45 UTCEPSS rescore
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  39. 2026-06-05 22:44 UTCEPSS rescore
  40. 2026-06-04 13:10 UTCEPSS rescore
  41. 2026-06-02 20:11 UTCEPSS rescore
  42. 2026-06-02 20:11 UTCEPSS rescore
  43. 2026-06-01 13:49 UTCEPSS rescore
  44. 2026-05-31 22:28 UTCEPSS rescore
  45. 2026-05-31 22:28 UTCEPSS rescore
  46. 2026-05-31 00:14 UTCEPSS rescore
  47. 2026-05-31 00:14 UTCEPSS rescore
  48. 2026-05-30 19:53 UTCOSV refresh
  49. 2026-05-29 13:41 UTCEPSS rescore
  50. 2026-05-28 13:42 UTCEPSS rescore
  51. 2026-05-28 13:42 UTCEPSS rescore
  52. 2026-05-27 13:38 UTCEPSS rescore
  53. 2026-05-27 13:38 UTCEPSS rescore
  54. 2026-05-26 13:42 UTCEPSS rescore
  55. 2026-05-26 13:42 UTCEPSS rescore
  56. 2026-05-26 07:17 UTCEPSS rescore
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  58. 2026-05-22 21:15 UTCEPSS rescore
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  63. 2026-05-21 22:40 UTCEPSS rescore
  64. 2026-05-20 22:37 UTCEPSS rescore
  65. 2026-05-20 22:37 UTCEPSS rescore
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  67. 2026-05-20 11:21 UTCEPSS rescore
  68. 2026-05-20 11:21 UTCEPSS rescore
  69. 2026-05-20 08:06 UTCVendor advisory
  70. 2026-05-20 08:06 UTCGHSA enrichment
  71. 2026-05-20 04:08 UTCVendor advisory
  72. 2026-05-20 04:08 UTCGHSA enrichment
  73. 2026-05-20 00:10 UTCVendor advisory
  74. 2026-05-20 00:10 UTCGHSA enrichment
  75. 2026-05-19 20:12 UTCVendor advisory

Frequently asked(5)

What is CVE-2017-3169?
CVE-2017-3169 is a critical vulnerability published on June 20, 2017. In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, modssl may dereference a NULL pointer when third-party modules call aphookprocessconnection() during an HTTP request to an HTTPS port.
When was CVE-2017-3169 disclosed?
CVE-2017-3169 was first published in the National Vulnerability Database on June 20, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-3169 actively exploited?
CVE-2017-3169 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20% probability of exploitation in the next 30 days, which ranks it in the top 2.8% of all scored CVEs.
What is the CVSS score of CVE-2017-3169?
CVE-2017-3169 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-3169?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-3169, 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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