CVE-2018-15504

An issue was discovered in Embedthis GoAhead before 4.0.1 and Appweb before 7.0.2. The server mishandles some HTTP request fields associated with time, which results in a NULL pointer dereference, as demonstrated by If-Modified-Since or If-Unmodified-Since with a month greater than 11.

• CWE-476

• https://github.com/embedthis/appweb/commit/66067ae6d1fa08b37a270e7dc1821df52ed2daefPatch, Third Party Advisory
• https://github.com/embedthis/appweb/issues/605Exploit, Patch, Third Party Advisory
• https://github.com/embedthis/goahead/issues/264Exploit, Patch, Third Party Advisory
• https://supportportal.juniper.net/s/article/2019-07-Security-Bulletin-Junos-OS-J-Web-Denial-of-Service-due-to-multiple-vulnerabilities-in-Embedthis-Appweb-ServerThird Party Advisory
• https://supportportal.juniper.net/s/article/2021-07-Security-Bulletin-Junos-OS-Multiple-J-Web-vulnerabilities-resolvedThird Party Advisory
• https://github.com/embedthis/appweb/commit/66067ae6d1fa08b37a270e7dc1821df52ed2daefPatch, Third Party Advisory
• https://github.com/embedthis/appweb/issues/605Exploit, Patch, Third Party Advisory
• https://github.com/embedthis/goahead/issues/264Exploit, Patch, Third Party Advisory
• https://supportportal.juniper.net/s/article/2019-07-Security-Bulletin-Junos-OS-J-Web-Denial-of-Service-due-to-multiple-vulnerabilities-in-Embedthis-Appweb-ServerThird Party Advisory
• https://supportportal.juniper.net/s/article/2021-07-Security-Bulletin-Junos-OS-Multiple-J-Web-vulnerabilities-resolvedThird Party Advisory

Published

Aug 18, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2018-15498YSoft SafeQ Server 6 allows a replay attack.
• CVE-2018-15499GEAR Software products that include GEARAspiWDM.sys, 2.2.5.0…
• CVE-2018-1550IBM Spectrum Protect 7.1 and 8.1 could allow a local user to…6.2
• CVE-2018-15501In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6…7.5
• CVE-2018-15502Insecure permissions in Lone Wolf Technologies loadingDOCS 2…
• CVE-2018-15503The unpack implementation in Swoole version 4.0.4 lacks corr…
• CVE-2018-15505An issue was discovered in Embedthis GoAhead before 4.0.1 an…7.5
• CVE-2018-15506In BubbleUPnP 0.9 update 30, the XML parsing engine for SSDP…
• CVE-2018-15508Five9 Agent Desktop Plus 10.0.70 has Incorrect Access Contro…
• CVE-2018-15509Five9 Agent Desktop Plus 10.0.70 has Incorrect Access Contro…
• CVE-2018-1551IBM WebSphere MQ 8.0.0.2 through 8.0.0.8 and 9.0.0.0 through…3.1
• CVE-2018-15510Cross-site scripting (XSS) vulnerability in the 'Certificate…