CVE-2022-4523: A vulnerability, which was classified as problematic, has been found in vexim2

Q: How do I fix CVE-2022-4523?

virtual exim 2: upgrade to 2022-01-23. Exact commands for each OS are on this page.

Q: Is CVE-2022-4523 being exploited?

CVE-2022-4523 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-4523 affect?

CVE-2022-4523 affects virtual exim 2. Severity is low (CVSS 3.5). A vulnerability, which was classified as problematic, has been found in vexim2. This issue affects some unknown processing. The manipulation leads to cross site scripting. The attack may be initiated remotely. The name of the patch is 21c0a

Q: How urgent is CVE-2022-4523?

Priority 24/100. No elevated risk signals yet.

Routine

LOW 3.5UPGRADE

CVE-2022-4523 is a low-severity flaw (CVSS 3.5) affecting virtual exim 2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, has been found in vexim2. This issue affects some unknown processing. The manipulation leads to cross site scripting. The attack may be initiated remotely. The name of the patch is 21c0a60d12e9d587f905cd084b2c70f9b1592065. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-215903.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-707, CWE-79
Published	2022-12-15
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: virtual exim project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-12-15 21:15 UTCPublished CVE record published
2026-06-17 05:21 UTCUpdated Record last modified

virtual exim project virtual exim 2 UPGRADE

Affected: < 2022-01-23

Fixed in: 2022-01-23

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy virtual-exim-2 || rpm -q virtual-exim-2 || virtual-exim-2 --version

2. UPGRADE to 2022-01-23 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade virtual-exim-2

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade virtual-exim-2

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-4523?

virtual exim 2: upgrade to 2022-01-23. Exact commands for each OS are on this page.

Is CVE-2022-4523 being exploited?

CVE-2022-4523 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-4523 affect?

CVE-2022-4523 affects virtual exim 2. Severity is low (CVSS 3.5). A vulnerability, which was classified as problematic, has been found in vexim2. This issue affects some unknown processing. The manipulation leads to cross site scripting. The attack may be initiated remotely. The name of the patch is 21c0a

How urgent is CVE-2022-4523?

Priority 24/100. No elevated risk signals yet.

Software pages

Exim vulnerabilities

References

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