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CVE-2020-25864

31
FAUCET Score

CVE-2020-25864 is a cross-site scripting (XSS) vulnerability affecting HashiCorp Consul and Consul Enterprise versions up to 1.9.4, specifically within the key-value (KV) raw mode. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low attack complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. While there is no evidence of active exploitation or public exploit code on platforms like Metasploit or ExploitDB, a Nuclei template exists for detection. The vulnerability has received minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.7.14CPE matchmatch criteria
cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*
< 1.7.14CPE matchmatch criteria
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*
>= 1.8.0, < 1.8.10CPE matchmatch criteria
cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*
>= 1.8.0, < 1.8.10CPE matchmatch criteria
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*
>= 1.9.0, < 1.9.5CPE matchmatch criteria
cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
6.09%
Probability of exploitation in next 30 days
EPSS Percentile
92.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Nuclei: CVE-2020-25864 · Feb 17, 2022
This CVE's current EPSS score of 0.0609 is in the 97th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

gopatch availablevia ghsa
Product: github.com/hashicorp/consulFixed in: 1.9.5
gopatch availablevia ghsa
Product: github.com/hashicorp/consulFixed in: 1.8.10
gopatch availablevia ghsa
Product: github.com/hashicorp/consulFixed in: 1.7.14

Vendor Advisories (2)

goGHSA-8xmx-h8rq-h94jmedium

HashiCorp Consul Cross-site Scripting vulnerability

May 24, 2022
redhatCVE-2020-25864Moderate

consul: specially crafted KV entry could be used to perform a XSS attack

Apr 14, 2021

References

discuss.hashicorp.com / t/hcsec-2021-07-consul-api-kv-endpoint-vulnerable-to-cross-site-scripting/23368
Vendor Advisory
security.gentoo.org / glsa/202208-09
Third Party Advisory
hashicorp.com / blog/category/consul
ProductVendor Advisory