Is CVE-2020-11985 in the CISA KEV catalog?

No. CVE-2020-11985 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-11985?

CVE-2020-11985 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2020-11985?

CVE-2020-11985 has an EPSS score of 5.88% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-11985?

Upgrade apache2 on debian 11 to 2.4.25-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-11985

MEDIUMEPSS 92th pctl

5.3

CVSS v3

NVD

Description

IP address spoofing when proxying using mod_remoteip and mod_rewrite For configurations using proxying with mod_remoteip and certain mod_rewrite rules, an attacker could spoof their IP address for logging and PHP scripts. Note this issue was fixed in Apache HTTP Server 2.4.24 but was retrospectively allocated a low severity CVE in 2020.

CWE-345

How to fix

Remediation Available

apache2Debian

Fixed in:2.4.25-1CVE-2020-11985

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

5.88%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Vendor Advisory1

httpd.apache.org

Third-Party Advisory1

security.gentoo.org

Other references14

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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.