How severe is CVE-2020-6845?

CVE-2020-6845 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-6845 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-2020-6845?

CVE-2020-6845 affects Topmanage Olk Webstore. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-6845?

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

When was CVE-2020-6845 published?

CVE-2020-6845 was published on 2020-02-18 and last updated on 2026-06-17.

CVE-2020-6845

CVE-2020-6845 is a medium-severity vulnerability in Topmanage Olk Webstore with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Topmanage Olk Webstore
Published: 2020-02-18
Last modified: 2026-06-17

Description

An issue was discovered in TopManage OLK 2020. As there is no ReadOnly on the Session cookie, the user and admin accounts can be taken over in a DOM-Based XSS attack.

Frequently asked questions

What is CVE-2020-6845?: An issue was discovered in TopManage OLK 2020. As there is no ReadOnly on the Session cookie, the user and admin accounts can be taken over in a DOM-Based XSS attack.
How severe is CVE-2020-6845?: CVE-2020-6845 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-6845 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-2020-6845?: CVE-2020-6845 affects Topmanage Olk Webstore. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-6845?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-6845 published?: CVE-2020-6845 was published on 2020-02-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:topmanage:olk_webstore:2020:*:*:*:*:*:*:*

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