7.5

CVE-2018-11783: apache software foundation apache traffic server

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2018-11783DEBIAN-CVE-2018-11783
Published 07-03-2019Last modified 16-09-2024

Vulnerability summary

CVE-2018-11783 is a high (CVSS 7.5) vulnerability in apache software foundation apache traffic server. EPSS estimates a 1.87% chance of exploitation in the next 30 days, higher than 78.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.87%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-03-2019
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

sslheaders plugin extracts information from the client certificate and sets headers in the request based on the configuration of the plugin. The plugin doesn't strip the headers from the request in some scenarios. This problem was discovered in versions 6.0.0 to 6.0.3, 7.0.0 to 7.1.5, and 8.0.0 to 8.0.1.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.87%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

0.00 pp

From 1.87% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.87%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apache1 product
  • traffic_server≥ 6.0.0, ≤ 6.0.3 | ≥ 7.0.0, ≤ 7.1.5 | ≥ 8.0.0, ≤ 8.0.1
Apache software foundation1 product
Debian1 product
  • trafficserver< 8.0.2+ds-1
Ubuntu1 product
  • trafficserverAll versions (No fix recorded)

4 vendors · 4 products

References

7 links