9.8

CVE-2021-25281: debian debian_linux Improper Authentication

CVSS: 9.8v3.1CriticalModified
AliasesGHSA-xxw3-765m-f37pPYSEC-2021-50UBUNTU-CVE-2021-25281
Published 27-02-2021Last modified 19-11-2024
Open JSON

Vulnerability summary

CVE-2021-25281 is a critical (CVSS 9.8) Improper Authentication vulnerability in debian debian_linux. EPSS estimates a 73.13% chance of exploitation in the next 30 days, higher than 99.4% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
73.13%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference, metasploit

Advisory lineage

Upstream 0 · Downstream 12 · Related 11
DLA-2815-1OPENSUSE-SU-2021:0347-1SUSE-RU-2021:0632-1SUSE-RU-2021:0633-1SUSE-SU-2021:0624-1SUSE-SU-2021:0626-1

Timeline

  1. 27-02-2021
    PublishedVulnerability first disclosed.
  2. 19-11-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in through SaltStack Salt before 3002.5. salt-api does not honor eauth credentials for the wheel_async client. Thus, an attacker can remotely run any wheel modules on the master.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

73.13%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 73.13% on 20-09-2026

20-09-202620-10-2026
EPSS score
73.13%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • MetasploitMetasploitremoteVerified

    SaltStack Salt API Unauthenticated RCE through wheel_async client

    exploit/linux/http/saltstack_salt_wheel_async_rce

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Debian1 product
Fedoraproject1 product
PyPI1 product
  • salt< 2015.8.13 | ≥ 2016.3.0, < 2016.11.5 | ≥ 2016.11.7, < 2016.11.10 | ≥ 2017.5.0, < 2017.7.8 | ≥ 2018.2.0, ≤ 2018.3.5 | ≥ 2019.2.0, < 2019.2.8 | ≥ 3000, < 3000.7 | ≥ 3001, < 3001.5 | ≥ 3002, < 3002.3 | ≥ 3002, < 3002.5
Saltstack1 product
  • salt< 2015.8.10 | ≥ 2015.8.11, < 2015.8.13 | ≥ 2016.3.0, < 2016.3.4 | ≥ 2016.3.5, < 2016.3.6 | ≥ 2016.3.7, < 2016.3.8 | ≥ 2016.3.9, < 2016.11.3 | ≥ 2016.11.4, < 2016.11.5 | ≥ 2016.11.7, < 2016.11.10 | ≥ 2017.5.0, < 2017.7.8 | ≥ 2018.2.0, ≤ 2018.3.5 | ≥ 2019.2.0, < 2019.2.5 | ≥ 2019.2.6, < 2019.2.8 | ≥ 3000, < 3000.6 | ≥ 3001, < 3001.4 | ≥ 3002, < 3002.5
Ubuntu1 product
  • saltAll versions (No fix recorded) | < 2015.8.8+ds-1ubuntu0.1+esm2 | < 2017.7.4+dfsg1-1ubuntu18.04.2+esm1

5 vendors · 5 products

References

32 links
Show all 32 references