Is CVE-2020-17522 in the CISA KEV catalog?

No. CVE-2020-17522 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-17522?

CVE-2020-17522 has a CVSS v3 base score of 5.8 (MEDIUM).

What is the EPSS score for CVE-2020-17522?

CVE-2020-17522 has an EPSS score of 3.93% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2020-17522?

No published fix for CVE-2020-17522 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2020-17522

MEDIUMEPSS 89th pctl

5.8

CVSS v3

NVD

Description

When ORT (now via atstccfg) generates ip_allow.config files in Apache Traffic Control 3.0.0 to 3.1.0 and 4.0.0 to 4.1.0, those files include permissions that allow bad actors to push arbitrary content into and remove arbitrary content from CDN cache servers. Additionally, these permissions are potentially extended to IP addresses outside the desired range, resulting in them being granted to clients possibly outside the CDN arcitechture.

CWE-732Incorrect Permission Assignment for Critical Resource

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Exploit Intelligence

3.93%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Vendor Advisory1

lists.apache.org

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.