How severe is CVE-2019-15955?

CVE-2019-15955 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-15955 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15955?

CVE-2019-15955 affects Totaljs Total.js Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15955?

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

When was CVE-2019-15955 published?

CVE-2019-15955 was published on 2019-09-05 and last updated on 2026-06-17.

CVE-2019-15955

CVE-2019-15955 is a medium-severity vulnerability in Totaljs Total.js Cms with a CVSS 3.x base score of 6.5. 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-327.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Totaljs Total.js Cms
Published: 2019-09-05
Last modified: 2026-06-17

Description

An issue was discovered in Total.js CMS 12.0.0. A low privilege user can perform a simple transformation of a cookie to obtain the random values inside it. If an attacker can discover a session cookie owned by an admin, then it is possible to brute force it with O(n)=2n instead of O(n)=n^x complexity, and steal the admin password.

Frequently asked questions

What is CVE-2019-15955?: An issue was discovered in Total.js CMS 12.0.0. A low privilege user can perform a simple transformation of a cookie to obtain the random values inside it. If an attacker can discover a session cookie owned by an admin, then it is possible to brute force it with O(n)=2n instead of O(n)=n^x complexity, and steal the admin password.
How severe is CVE-2019-15955?: CVE-2019-15955 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-15955 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15955?: CVE-2019-15955 affects Totaljs Total.js Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15955 published?: CVE-2019-15955 was published on 2019-09-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:totaljs:total.js_cms:12.0.0:*:*:*:*:*:*:*

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