CVE & CISA-KEV Catalog

CVE-2020-8177

HIGH
7.8
CVSS v3
NVD

Description

curl 7.20.0 through 7.70.0 is vulnerable to improper restriction of names for files and other resources that can lead too overwriting a local file when the -J flag is used.

CWE-99CWE-74Injection

How to fix

Remediation Available
curlDebian
Fixed in:7.72.0-1CVE-2020-8177
Fixed in:7.72.0-1CVE-2020-8177
Fixed in:7.72.0-1CVE-2020-8177
Fixed in:7.72.0-1CVE-2020-8177
curlUbuntu
Fixed in:7.35.0-1ubuntu2.20+esm4USN-4402-1
Fixed in:7.47.0-1ubuntu2.15USN-4402-1
Fixed in:7.58.0-2ubuntu3.9USN-4402-1
Fixed in:7.68.0-1ubuntu2.1USN-4402-1
libcurl3Ubuntu
Fixed in:7.35.0-1ubuntu2.20+esm4USN-4402-1
Fixed in:7.47.0-1ubuntu2.15USN-4402-1
libcurl3-gnutlsUbuntu
Fixed in:7.35.0-1ubuntu2.20+esm4USN-4402-1
Fixed in:7.47.0-1ubuntu2.15USN-4402-1
Fixed in:7.58.0-2ubuntu3.9USN-4402-1
Fixed in:7.68.0-1ubuntu2.1USN-4402-1
libcurl3-nssUbuntu
Fixed in:7.35.0-1ubuntu2.20+esm4USN-4402-1
Fixed in:7.47.0-1ubuntu2.15USN-4402-1
Fixed in:7.58.0-2ubuntu3.9USN-4402-1
Fixed in:7.68.0-1ubuntu2.1USN-4402-1
libcurl4Ubuntu
Fixed in:7.58.0-2ubuntu3.9USN-4402-1
Fixed in:7.68.0-1ubuntu2.1USN-4402-1
UniversalForwarderWindows application
Affected:9.0.0 9.0.6Fixed in:9.0.6Splunk, Inc.
Affected:8.2.0 8.2.12Fixed in:8.2.12Splunk, Inc.

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 VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.24%probability of exploitation in 30 days
65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1
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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 2026-04-15.