How severe is CVE-2020-29041?

CVE-2020-29041 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-2020-29041 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29041?

CVE-2020-29041 affects Sesame-system Web-sesame. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29041?

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

When was CVE-2020-29041 published?

CVE-2020-29041 was published on 2021-01-06 and last updated on 2026-06-17.

CVE-2020-29041

CVE-2020-29041 is a medium-severity vulnerability in Sesame-system Web-sesame 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.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sesame-system Web-sesame
Published: 2021-01-06
Last modified: 2026-06-17

Description

A misconfiguration in Web-Sesame 2020.1.1.3375 allows an unauthenticated attacker to download the source code of the application, facilitating its comprehension (code review). Specifically, JavaScript source maps were inadvertently included in the production Webpack configuration. These maps contain sources used to generate the bundle, configuration settings (e.g., API keys), and developers' comments.

Frequently asked questions

What is CVE-2020-29041?: A misconfiguration in Web-Sesame 2020.1.1.3375 allows an unauthenticated attacker to download the source code of the application, facilitating its comprehension (code review). Specifically, JavaScript source maps were inadvertently included in the production Webpack configuration. These maps contain sources used to generate the bundle, configuration settings (e.g., API keys), and developers' comments.
How severe is CVE-2020-29041?: CVE-2020-29041 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-2020-29041 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29041?: CVE-2020-29041 affects Sesame-system Web-sesame. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29041?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-29041 published?: CVE-2020-29041 was published on 2021-01-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sesame-system:web-sesame:2020.1.1.3375:*:*:*:*:*:*:*