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CVE-2023-3485

17
FAUCET Score

CVE-2023-3485 describes insecure defaults in open-source Temporal Server versions prior to 1.20, allowing an attacker to craft a task token to interfere with pending tasks in other namespaces. The vulnerability has a low CVSS score of 3.6, indicating a low attack complexity and requiring local access, with potential impacts limited to low integrity and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.20.0CPE matchmatch criteria
cpe:2.3:a:temporal:temporal:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.0LOW

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
0.5
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.17%
Probability of exploitation in next 30 days
EPSS Percentile
6.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0017 is in the 29th percentile among its peer group of 223 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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 (1)

gopatch availablevia ghsa
Product: go.temporal.io/serverFixed in: 1.20.0

Vendor Advisories (1)

goGHSA-gm2g-2xr9-pxxjlow

Temporal Server vulnerable to Incorrect Authorization and Insecure Default Initialization of Resource

Jun 30, 2023

References

github.com / temporalio/temporal/releases/tag/v1.20.0
Release Notes