Is CVE-2018-1000121 in the CISA KEV catalog?

No. CVE-2018-1000121 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-1000121?

CVE-2018-1000121 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-1000121?

CVE-2018-1000121 has an EPSS score of 9.56% (95th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000121?

Upgrade curl on debian 11 to 7.60.0-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2018-1000121

HIGHEPSS 95th pctl

7.5

CVSS v3

NVD

Description

A NULL pointer dereference exists in curl 7.21.0 to and including curl 7.58.0 in the LDAP code that allows an attacker to cause a denial of service

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

curlDebian

Fixed in:7.60.0-1CVE-2018-1000121

curlUbuntu

Fixed in:7.35.0-1ubuntu2.15USN-3598-1

Fixed in:7.47.0-1ubuntu2.7USN-3598-1

libcurl3Ubuntu

Fixed in:7.35.0-1ubuntu2.15USN-3598-1

Fixed in:7.47.0-1ubuntu2.7USN-3598-1

libcurl3-gnutlsUbuntu

Fixed in:7.35.0-1ubuntu2.15USN-3598-1

Fixed in:7.47.0-1ubuntu2.7USN-3598-1

libcurl3-nssUbuntu

Fixed in:7.35.0-1ubuntu2.15USN-3598-1

Fixed in:7.47.0-1ubuntu2.7USN-3598-1

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

9.56%probability of exploitation in 30 days

95thpercentile

High risk: more likely to be exploited than 95% of all known CVEs.

References

Patch3

Vendor Advisory1

curl.haxx.se

Third-Party Advisory9

Other references3

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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.