CVE-2019-20933: debian debian_linux Improper Authentication
Vulnerability summary
CVE-2019-20933 is a critical (CVSS 9.8) Improper Authentication vulnerability in debian debian_linux. EPSS estimates a 30.92% chance of exploitation in the next 30 days, higher than 98.2% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 31% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 19-11-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
InfluxDB before 1.7.6 has an authentication bypass vulnerability in the authenticate function in services/httpd/handler.go because a JWT token may have an empty SharedSecret (aka shared secret).
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · GoEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
30.92%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
No change 0.00 pp
From 30.92% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- influxdb< 1.6.7~rc0-1 | < 1.6.4-1+deb10u1 | < 1.1.1+dfsg1-4+deb9u1
- debian_linuxEOL9.0 | 10.0
Github.com/influxdata1 product
- influxdb< 1.7.6
Influxdata1 product
- influxdb< 1.7.6
Ubuntu1 product
- influxdb< 1.6.7~rc0-1 | < 1.1.1+dfsg1-4+deb9u1ubuntu1 | < 1.6.4-1+deb10u1build0.20.04.1
4 vendors · 5 products
References
13 links- github.com/influxdata/influxdb/issues/12927X Refsource MISCREPORTWEBIssue TrackingThird Party Advisory
- github.com/influxdata/influxdb/compare/v1.7.5...v1.7.6X Refsource MISCREPORTWEBPatchThird Party Advisory
- github.com/influxdata/influxdb/commit/761b557315ff9c1642cf3b0e5797cd3d983a24c0X Refsource MISCREPORTWEBFIXPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2020/12/msg00030.htmlMailing ListX Refsource MLISTWEBThird Party Advisory