MEDIUM SEVERITY

CVE-2015-0557

Arj Archiver vulnerability

CVSS
5.8
EPSS
3.3%
EPSS pct
87th
Exploited
No known
Open-source ARJ archiver 3.10.22 does not properly remove leading slashes from paths, which allows remote attackers to conduct absolute path traversal attacks and write to arbitrary files via multiple leading slashes in a path in an ARJ archive.
Affected vendor
Arj Software
Affected product
Arj Archiver
CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:P
Weakness type (CWE)
Published
2015-04-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to integrity, partial impact to availability.

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2015-0557

  • Confirm whether Arj Software Arj Archiver is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2015-0557.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-0557

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