7.5

CVE-2022-27782: debian debian_linux Business Logic Errors

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2022-27782UBUNTU-CVE-2022-27782DEBIAN-CVE-2022-27782
Published 01-06-2022Last modified 14-10-2026

Vulnerability summary

CVE-2022-27782 is a high (CVSS 7.5) Business Logic Errors vulnerability in debian debian_linux. EPSS estimates a 3.09% chance of exploitation in the next 30 days, higher than 87.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
3.09%
0%100%
Low · +0.16 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 12 · Related 7

Timeline

  1. 01-06-2022
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

3.09%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

+0.16 pp

From 2.93% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.09%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (hackerone.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Alpine1 product
  • curl< 7.79.1-r2 | < 7.80.0-r2 | < 7.83.1-r0
Haxx1 product
Splunk1 product
Ubuntu1 product
  • curlAll versions (No fix recorded) | < 7.58.0-2ubuntu3.18 | < 7.68.0-1ubuntu2.11 | < 7.81.0-1ubuntu1.2

5 vendors · 6 products

References

15 links
Show all 15 references