How severe is CVE-2018-13034?

CVE-2018-13034 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-13034 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13034?

CVE-2018-13034 affects Jester Project Jester. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-13034?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-13034 published?

CVE-2018-13034 was published on 2018-07-09 and last updated on 2026-06-17.

CVE-2018-13034

CVE-2018-13034 is a medium-severity vulnerability in Jester Project Jester with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Jester Project Jester
Published: 2018-07-09
Last modified: 2026-06-17

Description

Directory traversal in Jester web framework 0.2.0 allows remote attackers to fetch files in arbitrary locations via "..%f" sequences.

Frequently asked questions

What is CVE-2018-13034?: Directory traversal in Jester web framework 0.2.0 allows remote attackers to fetch files in arbitrary locations via "..%f" sequences.
How severe is CVE-2018-13034?: CVE-2018-13034 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-13034 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13034?: CVE-2018-13034 affects Jester Project Jester. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-13034?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-13034 published?: CVE-2018-13034 was published on 2018-07-09 and last updated on 2026-06-17.

References

https://github.com/dom96/jester/blob/master/changelog.markdown

Affected products (1)

cpe:2.3:a:jester_project:jester:0.2.0:*:*:*:*:*:*:*

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