Is CVE-2018-1000671 in the CISA KEV catalog?

No. CVE-2018-1000671 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-1000671?

CVE-2018-1000671 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2018-1000671?

CVE-2018-1000671 has an EPSS score of 3.98% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000671?

Upgrade sympa on debian 11 to 6.2.36~dfsg-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2018-1000671

MEDIUMEPSS 89th pctl

6.1

CVSS v3

NVD

Description

sympa version 6.2.16 and later contains a CWE-601: URL Redirection to Untrusted Site ('Open Redirect') vulnerability in The "referer" parameter of the wwsympa.fcgi login action. that can result in Open redirection and reflected XSS via data URIs. This attack appear to be exploitable via Victim's browser must follow a URL supplied by the attacker. This vulnerability appears to have been fixed in none available.

CWE-601Open Redirect

How to fix

Remediation Available

sympaDebian

Fixed in:6.2.36~dfsg-1CVE-2018-1000671

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 InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

3.98%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Third-Party Advisory2

Other references2

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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.