CVE-2020-11984 — Apache HTTP server 2

Apache HTTP server 2.4.32 to 2.4.44 mod_proxy_uwsgi info disclosure and possible RCE

01What is this vulnerability?

Apache HTTP server 2.4.32 to 2.4.44 mod_proxy_uwsgi info disclosure and possible RCE

02Affected products

Vendor	Product	Versions
n	a / Apache HTTP Server	2.4.32 to 2.4.44

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-08-07T15:27:15.000Z
• Last modified: 2024-08-04T11:48:57.555Z

09References

• httpd.apache.org — https://httpd.apache.org/security/vulnerabilities_24.html
• www.openwall.com — http://www.openwall.com/lists/oss-security/2020/08/08/1
• security.gentoo.org — https://security.gentoo.org/glsa/202008-04
• www.openwall.com — http://www.openwall.com/lists/oss-security/2020/08/08/10
• www.openwall.com — http://www.openwall.com/lists/oss-security/2020/08/08/8
• www.openwall.com — http://www.openwall.com/lists/oss-security/2020/08/08/9
• www.openwall.com — http://www.openwall.com/lists/oss-security/2020/08/10/5
• lists.apache.org — https://lists.apache.org/thread.html/r5debe8f82728a00a4a68bc904dd6c35423bdfc8d60…
• lists.apache.org — https://lists.apache.org/thread.html/r623de9b2b2433a87f3f3a15900419fc9c00c77b269…
• www.openwall.com — http://www.openwall.com/lists/oss-security/2020/08/17/2
• usn.ubuntu.com — https://usn.ubuntu.com/4458-1/
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00068.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00071.html
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• www.debian.org — https://www.debian.org/security/2020/dsa-4757
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/09/msg00001.html
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• www.oracle.com — https://www.oracle.com/security-alerts/cpuoct2020.html
• security.netapp.com — https://security.netapp.com/advisory/ntap-20200814-0005/
• packetstormsecurity.com — http://packetstormsecurity.com/files/159009/Apache2-mod_proxy_uwsgi-Incorrect-Re…
• www.oracle.com — https://www.oracle.com/security-alerts/cpujan2021.html
• lists.apache.org — https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90b…
• lists.apache.org — https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda…
• lists.apache.org — https://lists.apache.org/thread.html/r09bb998baee74a2c316446bd1a41ae7f8d7049d09d…
• lists.apache.org — https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa…
• lists.apache.org — https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f60…
• lists.apache.org — https://lists.apache.org/thread.html/r34753590ae8e3f2b6af689af4fe84269b592f5fda9…
• lists.apache.org — https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f8…
• lists.apache.org — https://lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46…
• lists.apache.org — https://lists.apache.org/thread.html/rf71eb428714374a6f9ad68952e23611ec7807b029f…