CVE-2020-12845

Name: CVE-2020-12845
Creator: NVD / NIST
Published: 2020-07-27T23:15:12.437+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.20%

Last modified Jun 17, 2026

CVE-2020-12845 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Cherokee 0.4.27 to 1.2.104 is affected by a denial of service due to a NULL pointer dereferences. A remote unauthenticated attacker can crash the server by sending an HTTP request to protected resources using a malformed Authorization header that is mishandled during a cherokee_buffer_add call within cherokee_validator_parse_basic or cherokee_validator_parse_digest.. EPSS estimates a 3.20% chance of exploitation in the next 30 days.

Description

Cherokee 0.4.27 to 1.2.104 is affected by a denial of service due to a NULL pointer dereferences. A remote unauthenticated attacker can crash the server by sending an HTTP request to protected resources using a malformed Authorization header that is mishandled during a cherokee_buffer_add call within cherokee_validator_parse_basic or cherokee_validator_parse_digest.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

3.20%

86.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Cherokee-Project	Cherokee	>= 0.4.27, <= 1.2.104

References

http://cherokee-project.com/downloads.htmlVendor Advisory
https://github.com/cherokee/webserver/issues/1242Exploit, Issue Tracking, Third Party Advisory
https://github.com/cherokee/webserver/releasesThird Party Advisory
https://security.gentoo.org/glsa/202012-09Third Party Advisory
http://cherokee-project.com/downloads.htmlVendor Advisory
https://github.com/cherokee/webserver/issues/1242Exploit, Issue Tracking, Third Party Advisory
https://github.com/cherokee/webserver/releasesThird Party Advisory
https://security.gentoo.org/glsa/202012-09Third Party Advisory

Timeline

Published: Jul 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12845?

How severe is CVE-2020-12845?

CVE-2020-12845 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.20% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12845?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12845?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST