How severe is CVE-2017-6807?

CVE-2017-6807 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-2017-6807 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6807?

CVE-2017-6807 affects Uninett Mod Auth Mellon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-6807?

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

When was CVE-2017-6807 published?

CVE-2017-6807 was published on 2017-03-13 and last updated on 2026-06-17.

CVE-2017-6807

CVE-2017-6807 is a medium-severity vulnerability in Uninett Mod Auth Mellon 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% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Uninett Mod Auth Mellon
Published: 2017-03-13
Last modified: 2026-06-17

Description

mod_auth_mellon before 0.13.1 is vulnerable to a Cross-Site Session Transfer attack, where a user with access to one web site running on a server can copy their session cookie to a different web site on the same server to get access to that site.

Frequently asked questions

What is CVE-2017-6807?: mod_auth_mellon before 0.13.1 is vulnerable to a Cross-Site Session Transfer attack, where a user with access to one web site running on a server can copy their session cookie to a different web site on the same server to get access to that site.
How severe is CVE-2017-6807?: CVE-2017-6807 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-2017-6807 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6807?: CVE-2017-6807 affects Uninett Mod Auth Mellon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-6807?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-6807 published?: CVE-2017-6807 was published on 2017-03-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:uninett:mod_auth_mellon:*:*:*:*:*:*:*:*

More vulnerabilities in Uninett Mod Auth Mellon

CVE-2014-8567 — Critical (CVSS 9.4): The mod_auth_mellon module before 0.8.1 allows remote attackers to cause a denial of service (Apache HTTP server crash)…
CVE-2016-2146 — High (CVSS 7.5): The am_read_post_data function in mod_auth_mellon before 0.11.1 does not limit the amount of data read, which allows…
CVE-2016-2145 — High (CVSS 7.5): The am_read_post_data function in mod_auth_mellon before 0.11.1 does not check if the ap_get_client_block function…
CVE-2014-8566 — Medium (CVSS 6.4): The mod_auth_mellon module before 0.8.1 allows remote attackers to obtain sensitive information or cause a denial of…
CVE-2021-3639 — Medium (CVSS 6.1): A flaw was found in mod_auth_mellon where it does not sanitize logout URLs properly. This issue could be used by an…

All CVEs affecting Uninett Mod Auth Mellon →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →