CVE-2020-25713 [Medium] | Out-of-bounds Read in Raptor Rdf Syntax Library

CVE-2020-25713 is rated Moderate Risk (55.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.14%). EPSS rose +1.67% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.47%	2.14%	+1.67%
2	2026-05-27	0.42%	0.47%	+0.05%
3	2026-04-19	—	0.42%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.47%

2.14%

+1.67%

2026-05-27

0.42%

0.47%

+0.05%

2026-04-19

—

0.42%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.5	3.1	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:L/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:L) A normal user session is enough; they don’t have to be admin. 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.	2.8	3.6	[email protected]
4.0	2.0	MEDIUM	`AV:N/AC:L/Au:S/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:S) A single authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:P) Partial availability impact.	8.0	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.5

3.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/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:L): A normal user session is enough; they don’t have to be admin.
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.

2.8

3.6

[email protected]

4.0

2.0

MEDIUM

AV:N/AC:L/Au:S/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:S): A single authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:P): Partial availability impact.

8.0

2.9

[email protected]

OS Trackers for CVE-2020-25713

vendor	priority	summary	link
`alpine`	medium	CVE-2020-25713: 1 source package rows (raptor2); 7 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 0.	https://security.alpinelinux.org/vuln/CVE-2020-25713
`debian`	not yet assigned	CVE-2020-25713 not yet assigned priority: Debian including 1 source packages (raptor2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2020-25713
`redhat`	low	—	https://access.redhat.com/security/cve/CVE-2020-25713
`suse`	high	CVE-2020-25713 severity important: SUSE including 157 source package names (libraptor-devel-2.0.15-150200.9.12.1, libraptor-devel-2.0.15-5.6.1, …), 888 product×package rows across 27 product lines (SUSE Liberty Linux 8, SUSE Linux Enterprise Module for Desktop Applications 15 SP3, … (27 product lines)): Known Not Affected 847, Fixed 41.	https://www.suse.com/security/cve/CVE-2020-25713/
`ubuntu`	low	CVE-2020-25713 low priority: Ubuntu including 2 source packages (raptor, raptor2), 32 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 15, released 7, ignored 6, not-affected 4.	https://ubuntu.com/security/CVE-2020-25713

Affected software / configurations for CVE-2020-25713

Vendor	Product	Version	Raw CPE
librdf	raptor_rdf_syntax_library	2.0.15	cpe:2.3:a:librdf:raptor_rdf_syntax_library:2.0.15:::::::*
fedoraproject	fedora	32	cpe:2.3:o:fedoraproject:fedora:32:::::::*
fedoraproject	fedora	33	cpe:2.3:o:fedoraproject:fedora:33:::::::*
debian	debian_linux	9.0	cpe:2.3:o:debian:debian_linux:9.0:::::::*

References for CVE-2020-25713

URL	Tags
http://www.openwall.com/lists/oss-security/2020/11/16/1	Mailing List Third Party Advisory
https://bugs.librdf.org/mantis/view.php?id=650	Issue Tracking Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1900685	Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00009.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27EQ2JCVMKG3EYTBYO4642P773I2NYUV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SUIND56AOKEHHBE4OYV57M73LLOLJRLV/

URL

CVE-2020-25713

Exploit prediction scoring system (EPSS) score for CVE-2020-25713

Common vulnerability scoring system (CVSS) metrics for CVE-2020-25713

Weakness enumeration for CVE-2020-25713

OS Trackers for CVE-2020-25713

Affected software / configurations for CVE-2020-25713

References for CVE-2020-25713