CVE-2020-12758: hashicorp consul Improper Resource Shutdown or Release
CVSS: 7.5v3.1HighModified
AliasesDEBIAN-CVE-2020-12758GHSA-q2qr-3c2p-9235BIT-consul-2020-12758GO-2022-0861
Published 11-06-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-12758 is a high (CVSS 7.5) Improper Resource Shutdown or Release vulnerability in hashicorp consul. EPSS estimates a 1.71% chance of exploitation in the next 30 days, higher than 77% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.71%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-06-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
HashiCorp Consul and Consul Enterprise could crash when configured with an abnormally-formed service-router entry. Introduced in 1.6.0, fixed in 1.6.6 and 1.7.4.
CVSS metrics
4 scores · 3 sources · 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:HSources3 sources · 5.3–7.5
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · GoEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.71%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
0.00 pp
From 1.71% on 20-09-2026
20-09-202620-10-2026
EPSS score1.71%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- consul< 1.7.4+dfsg1-1
Github.com/hashicorp1 product
- consul≥ 1.6.0-beta1, < 1.6.6 | ≥ 1.7.0, < 1.7.4
Hashicorp1 product
- consul≥ 1.6.0, < 1.6.6 | ≥ 1.7.0, < 1.7.4
3 vendors · 3 products
References
7 links- github.com/hashicorp/consul/blob/v1.6.6/CHANGELOG.mdX Refsource CONFIRMWEBRelease NotesThird Party Advisory
- github.com/hashicorp/consul/blob/v1.7.4/CHANGELOG.mdX Refsource CONFIRMWEBRelease NotesThird Party Advisory