CVE-2020-26892: fedoraproject fedora Use of Hard-coded Credentials
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2020-26892DEBIAN-CVE-2020-26892CGA-5h4m-753j-qqh3CGA-8c83-652v-24qmCGA-f87q-gjfm-vh53CGA-vxgr-hffx-v4g4GHSA-2c64-vj8g-vwrqGHSA-4w5x-x539-ppf5GO-2022-0380
Published 06-11-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-26892 is a critical (CVSS 9.8) Use of Hard-coded Credentials vulnerability in fedoraproject fedora. EPSS estimates a 2.33% chance of exploitation in the next 30 days, higher than 83.2% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
2.33%
0%100%
Low · +0.25 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 2Timeline
- 06-11-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
The JWT library in NATS nats-server before 2.1.9 has Incorrect Access Control because of how expired credentials are handled.
CVSS metrics
7 scores · 6 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 6 agree
- 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 · WolfiEcosystem 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
- OSV · ChainguardEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.33%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
+0.25 pp
From 2.08% on 19-09-2026
19-09-202619-10-2026
EPSS score2.33%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard2 products
- nats-serverAll versions (No fix recorded)
- nats-server-compatAll versions (No fix recorded)
Wolfi2 products
- nats-serverAll versions (No fix recorded)
- nats-server-compatAll versions (No fix recorded)
Debian1 product
- golang-github-nats-io-jwt< 2.2.0-1
Fedoraproject1 product
- fedoraEOL33
Github.com/nats-io1 product
- jwt< 1.1.0
Github.com/nats-io/nats-server1 product
- v2< 2.1.9
Linuxfoundation1 product
- nats-server< 2.1.9
Ubuntu1 product
- golang-github-nats-io-jwtAll versions (No fix recorded)
8 vendors · 10 products
References
17 links- www.openwall.com/lists/oss-security/2020/11/02/2X Refsource CONFIRMREPORTAdvisoryWEBMailing ListThird Party Advisory
Show all 17 references
- github.com/nats-io/jwtPACKAGE