CVE-2022-24070 [High] | Use-After-Free in Subversion

CVE-2022-24070 is rated High Risk (68.1/100): CVSS High severity, with high exploitation likelihood (EPSS 8.76%, 94th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +7.15% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	1.61%	8.76%	+7.15%
2	2026-05-29	0.50%	1.61%	+1.11%
3	2026-04-19	—	0.50%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

1.61%

8.76%

+7.15%

2026-05-29

0.50%

1.61%

+1.11%

2026-04-19

—

0.50%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	3.6	[email protected]
5.0	2.0	MEDIUM	`AV:N/AC:L/Au:N/C:N/I:N/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:P) Partial availability impact.	10.0	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.5

3.1

HIGH

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

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

3.6

[email protected]

5.0

2.0

MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:P): Partial availability impact.

10.0

2.9

[email protected]

OS Trackers for CVE-2022-24070

vendor	priority	summary	link
`alpine`	high	CVE-2022-24070: 1 source package rows (subversion); 12 state rows across 7 repos (3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 7, open 5.	https://security.alpinelinux.org/vuln/CVE-2022-24070
`debian`	not yet assigned	CVE-2022-24070 not yet assigned priority: Debian including 1 source packages (subversion), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2022-24070
`redhat`	high	—	https://access.redhat.com/security/cve/CVE-2022-24070
`suse`	high	CVE-2022-24070 severity important: SUSE including 76 source package names (libserf-1.3.9-9.module+el8.4.0+8637+d3bad2c2, libsvn_auth_gnome_keyring-1-0-1.10.6-150300.10.8.1, …), 241 product×package rows across 43 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (43 product lines)): Fixed 232, Known Not Affected 9.	https://www.suse.com/security/cve/CVE-2022-24070/
`ubuntu`	medium	CVE-2022-24070 medium priority: Ubuntu including 1 source packages (subversion), 6 status rows across 6 suites (bionic, focal, impish, jammy, upstream, xenial): released 4, not-affected 2.	https://ubuntu.com/security/CVE-2022-24070

Affected software / configurations for CVE-2022-24070

Vendor	Product	Version	Raw CPE
apache	subversion	>= 1.10.0, < 1.10.8	cpe:2.3:a:apache:subversion::::::::
apache	subversion	>= 1.14.0, < 1.14.2	cpe:2.3:a:apache:subversion::::::::
debian	debian_linux	10.0	cpe:2.3:o:debian:debian_linux:10.0:::::::*
debian	debian_linux	11.0	cpe:2.3:o:debian:debian_linux:11.0:::::::*
fedoraproject	fedora	35	cpe:2.3:o:fedoraproject:fedora:35:::::::*
fedoraproject	fedora	36	cpe:2.3:o:fedoraproject:fedora:36:::::::*
apple	macos	>= 12.0, < 12.5	cpe:2.3:o:apple:macos::::::::

References for CVE-2022-24070

URL	Tags
http://seclists.org/fulldisclosure/2022/Jul/18	Mailing List Third Party Advisory
https://bz.apache.org/bugzilla/show_bug.cgi?id=65861	Issue Tracking Vendor Advisory
https://cwiki.apache.org/confluence/display/HTTPD/ModuleLife	Vendor Advisory
https://issues.apache.org/jira/browse/SVN-4880	Issue Tracking Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PZ4ARNGLMGYBKYDX2B7DRBNMF6EH3A6R/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YJPMCWCGWBN3QWCDVILWQWPC75RR67LT/
https://support.apple.com/kb/HT213345	Third Party Advisory
https://www.debian.org/security/2022/dsa-5119	Third Party Advisory

URL

CVE-2022-24070 | Apache Subversion mod_dav_svn is vulnerable to memory corruption

Exploit prediction scoring system (EPSS) score for CVE-2022-24070

Common vulnerability scoring system (CVSS) metrics for CVE-2022-24070

Weakness enumeration for CVE-2022-24070

OS Trackers for CVE-2022-24070

Affected software / configurations for CVE-2022-24070

References for CVE-2022-24070