How severe is CVE-2023-40349?

CVE-2023-40349 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 none, integrity low, and availability none.

Is CVE-2023-40349 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40349?

CVE-2023-40349 affects Jenkins Gogs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40349?

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

When was CVE-2023-40349 published?

CVE-2023-40349 was published on 2023-08-16 and last updated on 2026-06-17.

CVE-2023-40349

CVE-2023-40349 is a medium-severity vulnerability in Jenkins Gogs 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-665.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-665
Affected product: Jenkins Gogs
Published: 2023-08-16
Last modified: 2026-06-17

Description

Jenkins Gogs Plugin 1.0.15 and earlier improperly initializes an option to secure its webhook endpoint, allowing unauthenticated attackers to trigger builds of jobs.

Frequently asked questions

What is CVE-2023-40349?: Jenkins Gogs Plugin 1.0.15 and earlier improperly initializes an option to secure its webhook endpoint, allowing unauthenticated attackers to trigger builds of jobs.
How severe is CVE-2023-40349?: CVE-2023-40349 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 none, integrity low, and availability none.
Is CVE-2023-40349 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40349?: CVE-2023-40349 affects Jenkins Gogs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40349?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40349 published?: CVE-2023-40349 was published on 2023-08-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:gogs:*:*:*:*:*:jenkins:*:*

More vulnerabilities in Jenkins Gogs

CVE-2019-10348 — High (CVSS 8.8): Jenkins Gogs Plugin stored credentials unencrypted in job config.xml files on the Jenkins master where they can be…
CVE-2023-46657 — Medium (CVSS 5.3): Jenkins Gogs Plugin 1.0.15 and earlier uses a non-constant time comparison function when checking whether the provided…
CVE-2023-40348 — Medium (CVSS 5.3): The webhook endpoint in Jenkins Gogs Plugin 1.0.15 and earlier provides unauthenticated attackers information about the…

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Other CWE-665 (Improper Initialization) vulnerabilities

CVE-2021-33635 — Critical (CVSS 9.8): When malicious images are pulled by isula pull, attackers can execute arbitrary code.
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CVE-2021-41264 — Critical (CVSS 9.8): OpenZeppelin Contracts is a library for smart contract development. In affected versions upgradeable contracts using…
CVE-2019-10196 — Critical (CVSS 9.8): A flaw was found in http-proxy-agent, prior to version 2.1.0. It was discovered http-proxy-agent passes an auth option…
CVE-2015-8367 — Critical (CVSS 9.8): The phase_one_correct function in Libraw before 0.17.1 allows attackers to cause memory errors and possibly execute…
CVE-2019-14271 — Critical (CVSS 9.8): In Docker 19.03.x before 19.03.1 linked against the GNU C Library (aka glibc), code injection can occur when the…

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