Is CVE-2018-1000550 in the CISA KEV catalog?

No. CVE-2018-1000550 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-1000550?

CVE-2018-1000550 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-1000550?

CVE-2018-1000550 has an EPSS score of 2.58% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000550?

Upgrade sympa on debian 11 to 6.2.32~dfsg-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2018-1000550

CRITICALEPSS 83th pctl

9.8

CVSS v3

NVD

Description

The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal vulnerability in wwsympa.fcgi template editing function that can result in Possibility to create or modify files on the server filesystem. This attack appear to be exploitable via HTTP GET/POST request. This vulnerability appears to have been fixed in 6.2.32.

CWE-22Path Traversal

How to fix

Remediation Available

sympaDebian

Fixed in:6.2.32~dfsg-1CVE-2018-1000550

sympaUbuntu

Fixed in:6.1.17~dfsg-1ubuntu0.1~esm1USN-4442-1

Fixed in:6.1.24~dfsg-1ubuntu0.1~esm1USN-4442-2

Fixed in:6.2.24~dfsg-1ubuntu0.1~esm1USN-4442-2

Fixed in:6.2.40~dfsg-4ubuntu0.20.04.1~esm1USN-4442-2

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.58%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Patch1

sympa-community.github.io

Third-Party Advisory1

lists.debian.org

Other references2

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	Fix

Embed a live status badge for CVE-2018-1000550

Markdown

[![CVE-2018-1000550](https://tridentstack.com/cve/badge/CVE-2018-1000550.svg)](https://tridentstack.com/cve/CVE-2018-1000550)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-1000550"><img src="https://tridentstack.com/cve/badge/CVE-2018-1000550.svg" alt="CVE-2018-1000550"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.