How severe is CVE-2020-14170?

CVE-2020-14170 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-14170 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-2020-14170?

CVE-2020-14170 affects Atlassian Bitbucket. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14170?

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

When was CVE-2020-14170 published?

CVE-2020-14170 was published on 2020-07-09 and last updated on 2026-06-17.

CVE-2020-14170

CVE-2020-14170 is a medium-severity vulnerability in Atlassian Bitbucket with a CVSS 3.x base score of 4.3. 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-918.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Atlassian Bitbucket
Published: 2020-07-09
Last modified: 2026-06-17

Description

Webhooks in Atlassian Bitbucket Server from version 5.4.0 before version 7.3.1 allow remote attackers to access the content of internal network resources via a Server-Side Request Forgery (SSRF) vulnerability.

Frequently asked questions

What is CVE-2020-14170?: Webhooks in Atlassian Bitbucket Server from version 5.4.0 before version 7.3.1 allow remote attackers to access the content of internal network resources via a Server-Side Request Forgery (SSRF) vulnerability.
How severe is CVE-2020-14170?: CVE-2020-14170 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-14170 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-2020-14170?: CVE-2020-14170 affects Atlassian Bitbucket. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14170?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-14170 published?: CVE-2020-14170 was published on 2020-07-09 and last updated on 2026-06-17.

References

https://jira.atlassian.com/browse/BSERV-12433

Affected products (1)

cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*

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