8.5

CVE-2021-25267: sophos firewall Cross-site Scripting

CVSS: 8.5v2.0HighModified
Published 05-05-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-25267 is a high (CVSS 8.5) Cross-site Scripting vulnerability in sophos firewall. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 64.9% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.5/10
010
High · v2.0 (NVD)
EPSS score
1.09%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-05-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Multiple XSS vulnerabilities in Webadmin allow for privilege escalation from admin to super-admin in Sophos Firewall older than version 19.0 GA.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.09%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

+0.02 pp

From 1.08% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.09%

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

Sophos2 products

1 vendor · 2 products

References

1 links