How severe is CVE-2018-10377?

CVE-2018-10377 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-10377 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-10377?

CVE-2018-10377 affects Portswigger Burp Suite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-10377?

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

When was CVE-2018-10377 published?

CVE-2018-10377 was published on 2018-06-17 and last updated on 2026-06-17.

CVE-2018-10377

CVE-2018-10377 is a medium-severity vulnerability in Portswigger Burp Suite with a CVSS 3.x base score of 5.9. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Portswigger Burp Suite
Published: 2018-06-17
Last modified: 2026-06-17

Description

PortSwigger Burp Suite before 1.7.34 has Improper Certificate Validation of the Collaborator server certificate, which might allow man-in-the-middle attackers to obtain interaction data.

Frequently asked questions

What is CVE-2018-10377?: PortSwigger Burp Suite before 1.7.34 has Improper Certificate Validation of the Collaborator server certificate, which might allow man-in-the-middle attackers to obtain interaction data.
How severe is CVE-2018-10377?: CVE-2018-10377 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-10377 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-10377?: CVE-2018-10377 affects Portswigger Burp Suite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-10377?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-10377 published?: CVE-2018-10377 was published on 2018-06-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:portswigger:burp_suite:*:*:*:*:*:*:*:*

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