6.5

CVE-2023-0845: hashicorp consul NULL Pointer Dereference

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-0845GHSA-wj6x-hcc2-f32jBIT-consul-2023-0845
Published 09-03-2023Last modified 28-02-2025
Open JSON

Vulnerability summary

CVE-2023-0845 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in hashicorp consul. EPSS estimates a 1.00% chance of exploitation in the next 30 days, higher than 62.4% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.00%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 2
CGA-MJ73-2RR9-GR45CGA-PV34-F439-9CHG

Timeline

  1. 09-03-2023
    PublishedVulnerability first disclosed.
  2. 28-02-2025
    Last modifiedVulnerability information updated.

Description

Consul and Consul Enterprise allowed an authenticated user with service:write permissions to trigger a workflow that causes Consul server and client agents to crash under certain circumstances. This vulnerability was fixed in Consul 1.14.5.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.00%

Chance of exploitation in the next 30 days

Percentile

62%

Versus all other CVEs

30-day change

0.00 pp

From 1.00% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.00%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Hashicorp2 products
  • consulEOL1.14.0 | 1.14.1 | 1.14.2 | 1.14.3 | 1.14.4 | < 1.14.5
  • consul enterprise1.14.0 | 1.14.1 | 1.14.2 | 1.14.3 | 1.14.4
Github.com/hashicorp1 product
  • consul≥ 1.14.0, < 1.14.5
Ubuntu1 product
  • consulAll versions (No fix recorded)

3 vendors · 4 products

References

12 links
Show all 12 references