SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-17828

Directory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a ..

MEDIUM 5.5EPSS 1.54%

Does this matter?

Lower severity and a low EPSS score (1.54%). Track it; it rarely justifies an emergency change on its own.

Description

Directory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a .. (dot dot) in a zip file, because of the function unzzip_cat in the bins/unzzipcat-mem.c file.

CVSS 3.0
5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
1.54% probability · 75th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-22
Affected
gdraheim/zziplib
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 1.54%27 October 202627 October 2026

EPSS 1.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.