CVE-2018-1160

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 weekWeaponized
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 87%
CISA-KEV: Not listedEPSS: 87%CVSS: 9.8Exploit: NoneExposed: 0

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

Netatalk before 3.1.12 is vulnerable to an out of bounds write in dsi_opensess.c. This is due to lack of bounds checking on attacker controlled data. A remote unauthenticated attacker can leverage this vulnerability to achieve arbitrary code execution.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
94(Attend)
EG Risk 94/100SSVC: Attend

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%
Exploitation87% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
99.7%
KEV
Not listed

Published

December 20, 2018

Last Modified

February 13, 2026

Advisory Details (9)

Auto-updated Jun 8, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Synology_SA_18_62 | Synology Inc.

https://www.synology.com/security/advisory/Synology_SA_18_62
generic🟡 PoC Available

QNAP Netatalk < 3.1.12 - Authentication Bypass - Multiple remote Exploit

https://www.exploit-db.com/exploits/46675/
generic🟡 PoC Available

Netatalk 3.1.12 - Authentication Bypass (PoC) - Multiple dos Exploit

https://www.exploit-db.com/exploits/46048/
generic🟡 PoC Available

Netatalk 3.1.12 - Authentication Bypass - Multiple remote Exploit

https://www.exploit-db.com/exploits/46034/
generic

[SECURITY] [DSA 4356-1] netatalk security update

https://www.debian.org/security/2018/dsa-4356
generic🟡 PoC Available

poc/netatalk/cve_2018_1160 at master · tenable/poc · GitHub

https://github.com/tenable/poc/tree/master/netatalk/cve_2018_1160/
generic
https://attachments.samba.org/attachment.cgi?id=14735
generic
http://www.securityfocus.com/bid/106301
generic

Packet Storm

http://packetstormsecurity.com/files/152440/QNAP-Netatalk-Authentication-Bypass.html

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 18× 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 01:32 UTCEG score recompute
  2. 2026-07-22 22:12 UTCEG score recompute
  3. 2026-07-22 14:05 UTCEPSS rescore
  4. 2026-07-21 01:17 UTCOSV refresh
  5. 2026-07-20 17:04 UTCEPSS rescore
  6. 2026-07-20 17:04 UTCEPSS rescore
  7. 2026-07-16 16:59 UTCEPSS rescore
  8. 2026-07-16 16:59 UTCEPSS rescore
  9. 2026-07-13 22:27 UTCEPSS rescore
  10. 2026-07-13 22:26 UTCEPSS rescore
  11. 2026-07-13 06:10 UTCEPSS rescore
  12. 2026-07-12 05:43 UTCEPSS rescore
  13. 2026-07-03 20:26 UTCOSV refresh
  14. 2026-07-02 16:54 UTCEPSS rescore
  15. 2026-06-27 03:06 UTCEPSS rescore
  16. 2026-06-27 03:06 UTCEPSS rescore
  17. 2026-06-24 14:02 UTCEPSS rescore
  18. 2026-06-24 14:02 UTCEPSS rescore
  19. 2026-06-23 21:30 UTCEPSS rescore
  20. 2026-06-23 21:30 UTCEPSS rescore
  21. 2026-06-23 21:30 UTCEPSS rescore
  22. 2026-06-21 01:57 UTCEPSS rescore
  23. 2026-06-21 01:57 UTCEPSS rescore
  24. 2026-06-17 17:50 UTCEPSS rescore
  25. 2026-06-17 17:50 UTCEPSS rescore
Show 28 more
  1. 2026-06-15 17:45 UTCEPSS rescore
  2. 2026-06-15 08:43 UTCOSV refresh
  3. 2026-06-13 22:58 UTCEPSS rescore
  4. 2026-06-12 23:09 UTCEPSS rescore
  5. 2026-06-12 23:09 UTCEPSS rescore
  6. 2026-06-10 22:16 UTCEPSS rescore
  7. 2026-06-08 14:14 UTCEPSS rescore
  8. 2026-06-08 14:14 UTCEPSS rescore
  9. 2026-06-07 15:22 UTCEPSS rescore
  10. 2026-06-07 15:22 UTCEPSS rescore
  11. 2026-06-05 22:45 UTCEPSS rescore
  12. 2026-06-05 22:45 UTCEPSS rescore
  13. 2026-06-04 13:10 UTCEPSS rescore
  14. 2026-06-01 13:50 UTCEPSS rescore
  15. 2026-06-01 13:50 UTCEPSS rescore
  16. 2026-05-31 00:14 UTCEPSS rescore
  17. 2026-05-31 00:14 UTCEPSS rescore
  18. 2026-05-29 13:41 UTCEPSS rescore
  19. 2026-05-28 13:42 UTCEPSS rescore
  20. 2026-05-28 13:42 UTCEPSS rescore
  21. 2026-05-28 00:06 UTCEG score recompute
  22. 2026-05-28 00:05 UTCGHSA enrichment
  23. 2026-05-27 13:38 UTCEPSS rescore
  24. 2026-05-27 13:38 UTCEPSS rescore
  25. 2026-05-26 13:42 UTCEPSS rescore
  26. 2026-05-26 13:42 UTCEPSS rescore
  27. 2026-05-26 07:17 UTCEPSS rescore
  28. 2026-05-26 07:17 UTCEPSS rescore

Publicly available exploits

(3 references)

Working exploit code is in the public domain (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-46675✓ verified
    First seen Apr 8, 2019

    QNAP Netatalk < 3.1.12 - Authentication Bypass

    Open source ↗
  • Exploit-DBEDB-46048✓ verified
    First seen Dec 21, 2018

    Netatalk 3.1.12 - Authentication Bypass (PoC)

    Open source ↗
  • Exploit-DBEDB-46034✓ verified
    First seen Dec 21, 2018

    Netatalk 3.1.12 - Authentication Bypass

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-1160?
CVE-2018-1160 is a critical vulnerability published on December 20, 2018. Netatalk before 3.1.12 is vulnerable to an out of bounds write in dsi_opensess.c. This is due to lack of bounds checking on attacker controlled data. A remote unauthenticated attacker can leverage this vulnerability to achieve arbitrary code execution.
When was CVE-2018-1160 disclosed?
CVE-2018-1160 was first published in the National Vulnerability Database on December 20, 2018, with the most recent update on February 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-1160 actively exploited?
CVE-2018-1160 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-1160?
CVE-2018-1160 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-1160?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-1160, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2018-1160

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