Is CVE-2022-31626 in the CISA KEV catalog?

No. CVE-2022-31626 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-31626?

CVE-2022-31626 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-31626?

CVE-2022-31626 has an EPSS score of 58.38% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-31626?

Upgrade php7.4 on debian 11 to 7.4.30-1+deb11u1 or later. Fixes are available for 29 affected products.

CVE & CISA-KEV Catalog

CVE-2022-31626

HIGHEPSS 99th pctl

7.5

CVSS v3

NVD

Description

In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can lead to a remote code execution vulnerability.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

php7.4Debian

Fixed in:7.4.30-1+deb11u1CVE-2022-31626

libapache2-mod-php7.0Ubuntu

Fixed in:7.0.33-0ubuntu0.16.04.16+esm4USN-5479-2

libapache2-mod-php7.2Ubuntu

Fixed in:7.2.24-0ubuntu0.18.04.12USN-5479-1

libapache2-mod-php7.4Ubuntu

Fixed in:7.4.3-4ubuntu2.12USN-5479-1

libapache2-mod-php8.1Ubuntu

Fixed in:8.1.2-1ubuntu2.1USN-5479-1

php7.0Ubuntu

Fixed in:7.0.33-0ubuntu0.16.04.16+esm4USN-5479-2

php7.0-cgiUbuntu

Fixed in:7.0.33-0ubuntu0.16.04.16+esm4USN-5479-2

php7.0-cliUbuntu

Fixed in:7.0.33-0ubuntu0.16.04.16+esm4USN-5479-2

php7.0-fpmUbuntu

Fixed in:7.0.33-0ubuntu0.16.04.16+esm4USN-5479-2

php7.0-mysqlUbuntu

Fixed in:7.0.33-0ubuntu0.16.04.16+esm4USN-5479-2

php7.0-pgsqlUbuntu

Fixed in:7.0.33-0ubuntu0.16.04.16+esm4USN-5479-2

php7.2Ubuntu

Fixed in:7.2.24-0ubuntu0.18.04.12USN-5479-1

php7.2-cgiUbuntu

Fixed in:7.2.24-0ubuntu0.18.04.12USN-5479-1

php7.2-cliUbuntu

Fixed in:7.2.24-0ubuntu0.18.04.12USN-5479-1

php7.2-fpmUbuntu

Fixed in:7.2.24-0ubuntu0.18.04.12USN-5479-1

php7.2-mysqlUbuntu

Fixed in:7.2.24-0ubuntu0.18.04.12USN-5479-1

php7.2-pgsqlUbuntu

Fixed in:7.2.24-0ubuntu0.18.04.12USN-5479-1

php7.4Ubuntu

Fixed in:7.4.3-4ubuntu2.12USN-5479-1

php7.4-cgiUbuntu

Fixed in:7.4.3-4ubuntu2.12USN-5479-1

php7.4-cliUbuntu

Fixed in:7.4.3-4ubuntu2.12USN-5479-1

php7.4-fpmUbuntu

Fixed in:7.4.3-4ubuntu2.12USN-5479-1

php7.4-mysqlUbuntu

Fixed in:7.4.3-4ubuntu2.12USN-5479-1

php7.4-pgsqlUbuntu

Fixed in:7.4.3-4ubuntu2.12USN-5479-1

php8.1Ubuntu

Fixed in:8.1.2-1ubuntu2.1USN-5479-1

php8.1-cgiUbuntu

Fixed in:8.1.2-1ubuntu2.1USN-5479-1

php8.1-cliUbuntu

Fixed in:8.1.2-1ubuntu2.1USN-5479-1

php8.1-fpmUbuntu

Fixed in:8.1.2-1ubuntu2.1USN-5479-1

php8.1-mysqlUbuntu

Fixed in:8.1.2-1ubuntu2.1USN-5479-1

php8.1-pgsqlUbuntu

Fixed in:8.1.2-1ubuntu2.1USN-5479-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

58.38%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Patch1

bugs.php.net

Third-Party Advisory4

Other references2

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	92%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.