CVE-2002-2043: SQL injection vulnerability in the LDAP and MySQL authentication patch for Cyrus SASL 1.5.24 and 1.5.27 allows

This month

HIGH 7.5WATCHLISTDOWNGRADE

CVE-2002-2043 is a high-severity flaw (CVSS 7.5) affecting sasl. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in the LDAP and MySQL authentication patch for Cyrus SASL 1.5.24 and 1.5.27 allows remote attackers to execute arbitrary SQL commands and log in as arbitrary POP mail users via the password.

Why this priority

High severity
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: cyrus

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:00 UTCUpdated Record last modified

cyrus sasl DOWNGRADE

Affected: 1.5.24 · 1.5.27

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.24

1. Check installed version

apt-cache policy sasl || rpm -q sasl || sasl --version

2. No fixed release: DOWNGRADE to a release before 1.5.24 (Debian / Ubuntu)

apt-cache madison sasl sudo apt install sasl=<VERSION_BEFORE_1.5.24> sudo apt-mark hold sasl

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list sasl sudo dnf downgrade sasl-<VERSION_BEFORE_1.5.24> sudo dnf versionlock add sasl

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2002-2043?

sasl: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-2043 being exploited?

CVE-2002-2043 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-2002-2043 affect?

CVE-2002-2043 affects sasl. Severity is high (CVSS 7.5). SQL injection vulnerability in the LDAP and MySQL authentication patch for Cyrus SASL 1.5.24 and 1.5.27 allows remote attackers to execute arbitrary SQL commands and log in as arbitrary POP mail users via the password.

How urgent is CVE-2002-2043?

Priority 49/100. High severity; On your watchlist

Software pages

MySQL vulnerabilities

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CVE-2004-0884 HIGH 7.2 DOWNGRADE MITIGATE The (1) libsasl and (2) libsasl2 libraries in Cyrus-SASL 2.1.18 and earlier trust the SASL_PATH environment va

References

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