CVE-2010-3842

Absolute path traversal vulnerability in curl 7.20.0 through 7.21.1, when the --remote-header-name or -J option is used, allows remote servers to create or overwrite arbitrary files by using \ (backslash) as a separator of path components within the Content-disposition HTTP header.

Published: 2010-10-28 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-3842 is rated Moderate Risk (50/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.70%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-3842

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.90% 1.70% +0.80%
2 2025-03-30 1.80% 0.90% -0.90%
3 2025-03-29 — 1.80% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-3842

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 4.9 [email protected]

Weakness enumeration for CVE-2010-3842

OS Trackers for CVE-2010-3842

vendor priority summary link
debian unimportant CVE-2010-3842 unimportant priority: Debian including 1 source packages (curl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2010-3842
ubuntu medium CVE-2010-3842 medium priority: Ubuntu including 1 source packages (curl), 6 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): ignored 5, released 1. https://ubuntu.com/security/CVE-2010-3842

Affected software / configurations for CVE-2010-3842

Vendor Product Version Raw CPE
curl curl 7.20.0 cpe:2.3:a:curl:curl:7.20.0:*:*:*:*:*:*:*
curl curl 7.20.1 cpe:2.3:a:curl:curl:7.20.1:*:*:*:*:*:*:*
curl curl 7.21.1 cpe:2.3:a:curl:curl:7.21.1:*:*:*:*:*:*:*

References for CVE-2010-3842

cvelogic Threat Intelligence