CVE-2016-4036

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2022-05-14. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, 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

A fix is available — apply it.

The quagga package before 0.99.23-2.6.1 in openSUSE and SUSE Linux Enterprise Server 11 SP 1 uses weak permissions for /etc/quagga, which allows local users to obtain sensitive information by reading files in the directory.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

April 18, 2016

Last Modified

June 17, 2026

References (8)

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuquagga-doc (0.99.24.1-2ubuntu1.1) @ xenial2026-05-22ubuntu

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.

Affected Packages

(2 across 2 ecosystems)
Debian:7(1)
PackageVulnerable rangeFixed inDependents
quagga0.99.21-4+wheezy1 ... 0.99.22.4-1+wheezy2 (8 versions)0.99.22.4-1+wheezy3—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
quagga0.99.23.1-1, 0.99.23.1-1+deb8u10.99.23.1-1+deb8u2—

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 5× in last 7d / 17× 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 139 total refreshes for this CVE.

  1. 2026-09-19 15:35 UTCEPSS rescore
  2. 2026-09-18 19:22 UTCEPSS rescore
  3. 2026-09-17 19:21 UTCEPSS rescore
  4. 2026-09-15 03:05 UTCEPSS rescore
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  1. 2026-08-09 13:42 UTCEPSS rescore
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  9. 2026-07-30 16:23 UTCEPSS rescore
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  11. 2026-07-28 15:31 UTCEPSS rescore
  12. 2026-07-26 14:50 UTCEPSS rescore
  13. 2026-07-25 14:13 UTCEPSS rescore
  14. 2026-07-23 01:23 UTCEG score recompute
  15. 2026-07-22 22:02 UTCEG score recompute
  16. 2026-07-22 14:04 UTCEPSS rescore
  17. 2026-07-21 15:21 UTCEPSS rescore
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  19. 2026-07-20 17:03 UTCEPSS rescore
  20. 2026-07-19 14:27 UTCEPSS rescore
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  22. 2026-07-19 02:26 UTCEPSS rescore
  23. 2026-07-18 10:00 UTCEPSS rescore
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  25. 2026-07-16 16:59 UTCEPSS rescore
  26. 2026-07-16 16:59 UTCEPSS rescore
  27. 2026-07-15 16:54 UTCEPSS rescore
  28. 2026-07-15 16:54 UTCEPSS rescore
  29. 2026-07-15 01:56 UTCEPSS rescore
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  31. 2026-07-13 22:26 UTCEPSS rescore
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  36. 2026-07-09 19:05 UTCEPSS rescore
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  38. 2026-07-07 13:42 UTCEPSS rescore
  39. 2026-07-06 16:24 UTCEPSS rescore
  40. 2026-07-06 16:24 UTCEPSS rescore
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  43. 2026-07-05 02:27 UTCEPSS rescore
  44. 2026-07-04 06:28 UTCEPSS rescore
  45. 2026-07-01 15:02 UTCEPSS rescore
  46. 2026-06-30 23:19 UTCEPSS rescore
  47. 2026-06-29 14:03 UTCEPSS rescore
  48. 2026-06-28 14:04 UTCEPSS rescore
  49. 2026-06-28 04:53 UTCEPSS rescore
  50. 2026-06-27 03:05 UTCEPSS rescore
  51. 2026-06-27 03:05 UTCEPSS rescore
  52. 2026-06-25 13:47 UTCEPSS rescore
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  54. 2026-06-24 14:02 UTCEPSS rescore
  55. 2026-06-24 14:02 UTCEPSS rescore
  56. 2026-06-23 21:30 UTCEPSS rescore
  57. 2026-06-22 14:23 UTCEPSS rescore
  58. 2026-06-21 14:54 UTCEPSS rescore
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  60. 2026-06-21 01:57 UTCEPSS rescore
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  62. 2026-06-19 19:23 UTCEPSS rescore
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  64. 2026-06-18 17:50 UTCEPSS rescore
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  69. 2026-06-15 17:45 UTCEPSS rescore
  70. 2026-06-14 23:14 UTCEPSS rescore
  71. 2026-06-13 22:57 UTCEPSS rescore
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  73. 2026-06-12 23:09 UTCEPSS rescore
  74. 2026-06-12 23:09 UTCEPSS rescore
  75. 2026-06-11 13:57 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Same vendor

1 shown

ubuntu:USN-3102-1

Frequently asked(5)

What is CVE-2016-4036?
CVE-2016-4036 is a medium vulnerability published on April 18, 2016. The quagga package before 0.99.23-2.6.1 in openSUSE and SUSE Linux Enterprise Server 11 SP 1 uses weak permissions for /etc/quagga, which allows local users to obtain sensitive information by reading files in the directory.
When was CVE-2016-4036 disclosed?
CVE-2016-4036 was first published in the National Vulnerability Database on April 18, 2016, 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-2016-4036 actively exploited?
CVE-2016-4036 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 68.3% of all scored CVEs.
What is the CVSS score of CVE-2016-4036?
CVE-2016-4036 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2016-4036?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-4036, 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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