CVE-2018-15504: embedthis appweb NULL Pointer Dereference
CVSS: 7.5v3.1HighModified
Published 18-08-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-15504 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in embedthis appweb. EPSS estimates a 2.77% chance of exploitation in the next 30 days, higher than 86.1% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.77%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github
Timeline
- 18-08-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.77%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.77% on 19-09-2026
19-09-202619-10-2026
EPSS score2.77%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundAppweb
Maturity: poc
Goahead
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Juniper1 product
- junos12.1x46 | 12.1x46:d10 | 12.1x46:d15 | 12.1x46:d20 | 12.1x46:d25 | 12.1x46:d30 | 12.1x46:d35 | 12.1x46:d40 | 12.1x46:d45 | 12.1x46:d50 | 12.1x46:d55 | 12.1x46:d60 | 12.1x46:d65 | 12.1x46:d66 | 12.1x46:d67 | 12.1x46:d70 | 12.1x46:d71 | 12.1x46:d72 | 12.1x46:d73 | 12.1x46:d76 | 12.1x46:d77 | 12.3x48 | 12.3x48:d10 | 12.3x48:d15 | 12.3x48:d20 | 12.3x48:d25 | 12.3x48:d30 | 12.3x48:d35 | 12.3x48:d40 | 12.3x48:d45 | 12.3x48:d50 | 12.3x48:d51 | 12.3x48:d55 | 12.3x48:d60 | 12.3x48:d65 | 12.3x48:d66 | 12.3x48:d70 | 12.3x48:d75 | 15.1x49 | 15.1x49:d10 | 15.1x49:d100 | 15.1x49:d110 | 15.1x49:d120 | 15.1x49:d130 | 15.1x49:d131 | 15.1x49:d140 | 15.1x49:d15 | 15.1x49:d150 | 15.1x49:d160 | 15.1x49:d170 | 15.1x49:d20 | 15.1x49:d25 | 15.1x49:d30 | 15.1x49:d35 | 15.1x49:d40 | 15.1x49:d45 | 15.1x49:d50 | 15.1x49:d55 | 15.1x49:d60 | 15.1x49:d65 | 15.1x49:d70 | 15.1x49:d75 | 15.1x49:d80 | 15.1x49:d90 | 12.3 | 12.3:r1 | 12.3:r10 | 12.3:r10-s1 | 12.3:r10-s2 | 12.3:r11 | 12.3:r12 | 12.3:r12-s1 | 12.3:r12-s10 | 12.3:r12-s11 | 12.3:r12-s12 | 12.3:r12-s3 | 12.3:r12-s4 | 12.3:r12-s6 | 12.3:r12-s8 | 12.3:r13 | 12.3:r2 | 12.3:r3 | 12.3:r4 | 12.3:r5 | 12.3:r6 | 12.3:r7 | 12.3:r8 | 12.3:r9 | 15.1 | 15.1:a1 | 15.1:f | 15.1:f1 | 15.1:f2 | 15.1:f2-s1 | 15.1:f2-s2 | 15.1:f2-s3 | 15.1:f2-s4 | 15.1:f3 | 15.1:f4 | 15.1:f5 | 15.1:f5-s7 | 15.1:f6 | 15.1:f6-s1 | 15.1:f6-s10 | 15.1:f6-s12 | 15.1:f6-s2 | 15.1:f6-s3 | 15.1:f6-s4 | 15.1:f6-s5 | 15.1:f6-s6 | 15.1:f6-s7 | 15.1:f6-s8 | 15.1:f6-s9 | 15.1x53 | 15.1x53:d10 | 15.1x53:d20 | 15.1x53:d21 | 15.1x53:d210 | 15.1x53:d230 | 15.1x53:d231 | 15.1x53:d232 | 15.1x53:d233 | 15.1x53:d234 | 15.1x53:d235 | 15.1x53:d236 | 15.1x53:d237 | 15.1x53:d25 | 15.1x53:d30 | 15.1x53:d31 | 15.1x53:d32 | 15.1x53:d33 | 15.1x53:d34 | 15.1x53:d40 | 15.1x53:d45 | 15.1x53:d47 | 15.1x53:d470 | 15.1x53:d471 | 15.1x53:d48 | 15.1x53:d490 | 15.1x53:d495 | 15.1x53:d50 | 15.1x53:d51 | 15.1x53:d52 | 15.1x53:d55 | 15.1x53:d56 | 15.1x53:d57 | 15.1x53:d58 | 15.1x53:d59 | 15.1x53:d590 | 15.1x53:d60 | 15.1x53:d61 | 15.1x53:d62 | 15.1x53:d63 | 15.1x53:d64 | 15.1x53:d65 | 15.1x53:d66 | 15.1x53:d67 | 15.1x53:d68 | 15.1x53:d70 | 15.1:f7 | 15.1:r | 15.1:r1 | 15.1:r2 | 15.1:r3 | 15.1:r4 | 15.1:r4-s7 | 15.1:r4-s8 | 15.1:r4-s9 | 15.1:r5 | 15.1:r5-s1 | 15.1:r5-s3 | 15.1:r5-s5 | 15.1:r5-s6 | 15.1:r6 | 15.1:r6-s1 | 15.1:r6-s2 | 15.1:r6-s3 | 15.1:r6-s4 | 15.1:r6-s6 | 15.1:r7 | 15.1:r7-s1 | 15.1:r7-s10 | 15.1:r7-s11 | 15.1:r7-s12 | 15.1:r7-s2 | 15.1:r7-s3 | 16.1 | 16.1:r1 | 16.1:r2 | 16.1:r3 | 16.1:r3-s10 | 16.1:r3-s11 | 16.1:r3-s8 | 16.1:r4 | 16.1:r4-s12 | 16.1:r4-s2 | 16.1:r4-s3 | 16.1:r4-s4 | 16.1:r4-s6 | 16.1:r4-s8 | 16.1:r4-s9 | 16.1:r5 | 16.1:r5-s4 | 16.1:r6 | 16.1:r6-s1 | 16.1:r6-s3 | 16.1:r6-s4 | 16.1:r6-s6 | 16.1:r7 | 16.1:r7-s2 | 16.1:r7-s3 | 16.1:r7-s4 | 16.1:r7-s5 | 16.2 | 16.2:r1 | 16.2:r1-s6 | 16.2:r2 | 16.2:r2-s1 | 16.2:r2-s10 | 16.2:r2-s2 | 16.2:r2-s5 | 16.2:r2-s6 | 16.2:r2-s7 | 16.2:r2-s8 | 17.1 | 17.1:r1 | 17.1:r1-s7 | 17.1:r2 | 17.1:r2-s1 | 17.1:r2-s10 | 17.1:r2-s11 | 17.1:r2-s2 | 17.1:r2-s3 | 17.1:r2-s4 | 17.1:r2-s5 | 17.1:r2-s6 | 17.1:r2-s7 | 17.1:r2-s8 | 17.1:r2-s9 | 17.2:r2 | 17.2:r2-s4 | 17.2:r2-s6 | 17.2:r3 | 17.3 | 17.3:r1 | 17.3:r1-s1 | 17.3:r1-s4 | 17.3:r2 | 17.3:r2-s1 | 17.3:r2-s2 | 17.3:r2-s3 | 17.3:r2-s4 | 17.3:r3 | 17.3:r3-s1 | 17.3:r3-s2 | 17.3:r3-s3 | 17.3:r3-s4 | 17.4 | 17.4:r1 | 17.4:r1-s1 | 17.4:r1-s2 | 17.4:r1-s3 | 17.4:r1-s4 | 17.4:r1-s5 | 17.4:r1-s6 | 17.4:r2 | 17.4:r2-s1 | 17.4:r2-s2 | 17.4:r2-s3 | 17.4:r2-s4 | 17.4:r2-s5 | 18.1 | 18.1:r1 | 18.1:r2 | 18.1:r2-s1 | 18.1:r2-s2 | 18.1:r2-s4 | 18.1:r3 | 18.1:r3-s1 | 18.1:r3-s2 | 18.1:r3-s3 | 18.2 | 18.2:r1 | 18.2:r1-s2 | 18.2:r1-s3 | 18.2:r1-s4 | 18.2:r2 | 18.2:r2-s1 | 18.2:r2-s2 | 18.3 | 18.3:r1 | 18.3:r1-s1 | 18.3:r1-s2 | 18.4 | 18.4:r1 | 18.4:r1-s1 | 18.4:r1-s2
2 vendors · 3 products
References
5 links- github.com/embedthis/appweb/commit/66067ae6d1fa08b37a270e7dc1821df52ed2daefPatchThird Party Advisory
- supportportal.juniper.net/s/…Third Party Advisory
- supportportal.juniper.net/s/…Third Party Advisory