CVE-2018-10900

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
7.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Metasploit, Exploit-DB (verified), public exploit)
CISA-KEV: Not listedEPSS PROB: 3.9%CVSS: 7.8Exploit: Metasploit · Exploit-DB (verified) · public exploitExposed services: Not assessed

A fix is available — apply it.

Network Manager VPNC plugin (aka networkmanager-vpnc) before version 1.2.6 is vulnerable to a privilege escalation attack. A new line character can be used to inject a Password helper parameter into the configuration data passed to VPNC, allowing an attacker to execute arbitrary commands as root.

CVSS v3
7.8
EG Score
7.8HIGHmedium confidence
EG Risk
66
EG Risk 66/100CISA SSVC

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
Severity78% × 45%
Exploitation65% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
3.9%
EPSS %ILE
90th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (EG-KEV: weaponized) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

July 26, 2018

Last Modified

November 21, 2024

Advisory Details (8)

Auto-updated Sep 30, 2026
🔬 Proof of concept available. Patch available. Sources: redhat.
generic🟡 PoC Available

Network Manager VPNC 1.2.6 - 'Username' Local Privilege Escalation (Metasploit) - Linux local Exploit

https://www.exploit-db.com/exploits/45313/
generic

[SECURITY] [DSA 4253-1] network-manager-vpnc security update

https://www.debian.org/security/2018/dsa-4253
generic

NetworkManager VPNC plugin: Privilege escalation (GLSA 201808-03) — Gentoo security

https://security.gentoo.org/glsa/201808-03
generic

Network Manager VPNC - Privilege Escalation (CVE-2018-10900)

https://pulsesecurity.co.nz/advisories/NM-VPNC-Privesc
generic Patch Available

[SECURITY] [DLA 1454-1] network-manager-vpnc security update

https://lists.debian.org/debian-lts-announce/2018/07/msg00048.html
generic

Client Challenge

https://gitlab.gnome.org/GNOME/NetworkManager-vpnc/commit/07ac18a32b4
generic
https://download.gnome.org/sources/NetworkManager-vpnc/1.2/NetworkManager-vpnc-1.2.6.news
redhat Patch Available

1605919 – (CVE-2018-10900) CVE-2018-10900 NetworkManager-vpnc: privilege escalation allows to execute arbitrary commands as root

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10900

Affected Packages

(6 across 6 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
network-manager-vpnc—
  • every version up to 1.2.6-1: fixed in 1.2.6-1
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
network-manager-vpnc—
  • every version up to 1.2.6-1: fixed in 1.2.6-1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
network-manager-vpnc—
  • every version up to 1.2.6-1: fixed in 1.2.6-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
network-manager-vpnc—
  • every version up to 1.2.6-1: fixed in 1.2.6-1
—
Debian:8(1)
PackageVulnerable rangeFix by version rangeDependents
network-manager-vpnc0.9.10.0-1
  • every version up to 0.9.10.0-1+deb8u1: fixed in 0.9.10.0-1+deb8u1
—
Debian:9(1)
PackageVulnerable rangeFix by version rangeDependents
network-manager-vpnc1.2.4-4
  • every version up to 1.2.4-4+deb9u1: fixed in 1.2.4-4+deb9u1
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 22× 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 152 total refreshes for this CVE.

  1. 2026-10-05 17:39 UTCEPSS rescore
  2. 2026-10-03 14:21 UTCEPSS rescore
  3. 2026-10-03 14:21 UTCEPSS rescore
  4. 2026-09-30 14:59 UTCEPSS rescore
  5. 2026-09-30 09:51 UTCEG score recompute
  6. 2026-09-28 22:08 UTCOSV refresh
  7. 2026-09-28 13:45 UTCEPSS rescore
  8. 2026-09-27 13:40 UTCEPSS rescore
  9. 2026-09-27 13:40 UTCEPSS rescore
  10. 2026-09-26 15:53 UTCEPSS rescore
  11. 2026-09-26 00:19 UTCEPSS rescore
  12. 2026-09-24 13:59 UTCEPSS rescore
  13. 2026-09-23 13:42 UTCEPSS rescore
  14. 2026-09-21 20:27 UTCEPSS rescore
  15. 2026-09-19 15:36 UTCEPSS rescore
  16. 2026-09-17 19:22 UTCEPSS rescore
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  18. 2026-09-15 03:05 UTCEPSS rescore
  19. 2026-09-12 14:56 UTCEPSS rescore
  20. 2026-09-11 09:31 UTCEPSS rescore
  21. 2026-09-09 03:16 UTCOSV refresh
  22. 2026-09-07 15:56 UTCEPSS rescore
  23. 2026-09-05 15:24 UTCEPSS rescore
  24. 2026-09-04 13:56 UTCEPSS rescore
  25. 2026-09-04 05:02 UTCEPSS rescore
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  1. 2026-09-02 14:07 UTCEPSS rescore
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  3. 2026-09-01 03:31 UTCEPSS rescore
  4. 2026-08-30 19:13 UTCEPSS rescore
  5. 2026-08-28 21:36 UTCEPSS rescore
  6. 2026-08-27 14:21 UTCEPSS rescore
  7. 2026-08-26 14:41 UTCEPSS rescore
  8. 2026-08-25 13:44 UTCEPSS rescore
  9. 2026-08-23 00:14 UTCEPSS rescore
  10. 2026-08-22 12:07 UTCOSV refresh
  11. 2026-08-21 23:44 UTCEPSS rescore
  12. 2026-08-19 16:59 UTCEPSS rescore
  13. 2026-08-18 13:43 UTCEPSS rescore
  14. 2026-08-16 14:51 UTCEPSS rescore
  15. 2026-08-16 02:10 UTCEPSS rescore
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  17. 2026-08-12 13:46 UTCEPSS rescore
  18. 2026-08-09 13:42 UTCEPSS rescore
  19. 2026-08-08 16:32 UTCEPSS rescore
  20. 2026-08-07 16:22 UTCEPSS rescore
  21. 2026-08-06 15:05 UTCOSV refresh
  22. 2026-08-06 13:42 UTCEPSS rescore
  23. 2026-08-06 13:42 UTCEPSS rescore
  24. 2026-08-05 19:13 UTCEPSS rescore
  25. 2026-08-02 02:23 UTCEPSS rescore
  26. 2026-08-02 02:23 UTCEPSS rescore
  27. 2026-08-01 04:12 UTCEPSS rescore
  28. 2026-07-30 16:24 UTCEPSS rescore
  29. 2026-07-30 01:26 UTCEPSS rescore
  30. 2026-07-28 15:32 UTCEPSS rescore
  31. 2026-07-26 14:51 UTCEPSS rescore
  32. 2026-07-26 14:51 UTCEPSS rescore
  33. 2026-07-23 14:15 UTCEPSS rescore
  34. 2026-07-23 01:32 UTCEG score recompute
  35. 2026-07-22 22:12 UTCEG score recompute
  36. 2026-07-22 14:04 UTCEPSS rescore
  37. 2026-07-21 15:21 UTCEPSS rescore
  38. 2026-07-21 08:17 UTCOSV refresh
  39. 2026-07-20 17:04 UTCEPSS rescore
  40. 2026-07-20 17:04 UTCEPSS rescore
  41. 2026-07-19 14:28 UTCEPSS rescore
  42. 2026-07-19 14:28 UTCEPSS rescore
  43. 2026-07-19 02:26 UTCEPSS rescore
  44. 2026-07-19 02:26 UTCEPSS rescore
  45. 2026-07-18 10:01 UTCEPSS rescore
  46. 2026-07-16 16:59 UTCEPSS rescore
  47. 2026-07-16 16:59 UTCEPSS rescore
  48. 2026-07-15 16:55 UTCEPSS rescore
  49. 2026-07-15 16:54 UTCEPSS rescore
  50. 2026-07-15 01:56 UTCEPSS rescore
  51. 2026-07-15 01:56 UTCEPSS rescore
  52. 2026-07-13 22:26 UTCEPSS rescore
  53. 2026-07-13 22:26 UTCEPSS rescore
  54. 2026-07-12 05:43 UTCEPSS rescore
  55. 2026-07-11 08:24 UTCEPSS rescore
  56. 2026-07-09 19:06 UTCEPSS rescore
  57. 2026-07-08 15:11 UTCEPSS rescore
  58. 2026-07-07 13:42 UTCEPSS rescore
  59. 2026-07-06 16:24 UTCEPSS rescore
  60. 2026-07-06 16:24 UTCEPSS rescore
  61. 2026-07-06 02:20 UTCEPSS rescore
  62. 2026-07-06 02:20 UTCEPSS rescore
  63. 2026-07-05 02:27 UTCEPSS rescore
  64. 2026-07-04 06:28 UTCEPSS rescore
  65. 2026-07-04 06:28 UTCEPSS rescore
  66. 2026-07-04 03:26 UTCOSV refresh
  67. 2026-07-02 16:54 UTCEPSS rescore
  68. 2026-07-01 15:03 UTCEPSS rescore
  69. 2026-06-30 23:19 UTCEPSS rescore
  70. 2026-06-30 23:19 UTCEPSS rescore
  71. 2026-06-29 14:03 UTCEPSS rescore
  72. 2026-06-28 14:04 UTCEPSS rescore
  73. 2026-06-28 04:53 UTCEPSS rescore
  74. 2026-06-28 04:53 UTCEPSS rescore
  75. 2026-06-27 03:06 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-45313✓ verified
    First seen Aug 31, 2018

    Network Manager VPNC 1.2.6 - 'Username' Local Privilege Escalation (Metasploit)

    Open source ↗
  • Metasploitexploit/linux/local/network_manager_vpnc_username_priv_esc✓ verified
    First seen Jul 26, 2018

    Network Manager VPNC Username Privilege Escalation

    Open source ↗

Related CVEs(same product + same CWE)

Same product

2 shown

Debian:12:network-manager-vpnc

Frequently asked(5)

What is CVE-2018-10900?
CVE-2018-10900 is a high vulnerability published on July 26, 2018. Network Manager VPNC plugin (aka networkmanager-vpnc) before version 1.2.6 is vulnerable to a privilege escalation attack. A new line character can be used to inject a Password helper parameter into the configuration data passed to VPNC, allowing an attacker to execute arbitrary commands as root.
When was CVE-2018-10900 disclosed?
CVE-2018-10900 was first published on July 26, 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-2018-10900 actively exploited?
CVE-2018-10900 is not currently on CISA's Known Exploited Vulnerabilities catalog. EchelonGraph's EG-KEV model classifies it as weaponized: a functional public exploit exists. FIRST EPSS estimates a 3.9% probability of exploitation in the next 30 days (90th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2018-10900?
CVE-2018-10900 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2018-10900?
A fix for CVE-2018-10900 is available: update to the fixed version the vendor names in its advisory.

Dependency Blast Radius

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