CVE-2017-10807 [Critical] | Authentication Bypass in Jabberd2

CVE-2017-10807 is rated Moderate Risk (64.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.57%). Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2025-03-30	3.91%	1.57%	-2.33%
2	2025-03-29	1.57%	3.91%	+2.33%
3	2025-03-17	—	1.57%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2025-03-30

3.91%

1.57%

-2.33%

2025-03-29

1.57%

3.91%

+2.33%

2025-03-17

—

1.57%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
9.8	3.0	CRITICAL	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	5.9	[email protected]
7.5	2.0	HIGH	`AV:N/AC:L/Au:N/C:P/I:P/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:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	10.0	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

9.8

3.0

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

5.9

[email protected]

7.5

2.0

HIGH

AV:N/AC:L/Au:N/C:P/I:P/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:P): Partial confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

10.0

6.4

[email protected]

OS Trackers for CVE-2017-10807

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2017-10807 not yet assigned priority: Debian including 1 source packages (jabberd2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2017-10807
`gentoo`	high	CVE-2017-10807: 1 GLSA(s) (201803-07), 1 atom(s) (net-im/jabberd2); latest impact high.	https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-10807
`redhat`	medium	—	https://access.redhat.com/security/cve/CVE-2017-10807
`suse`	high	CVE-2017-10807 severity important: SUSE including 295 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 308 product×package rows across 5 product lines (SUSE Manager Proxy 3.0, SUSE Manager Proxy 3.1, … (5 product lines)): Known Affected 231, Fixed 77.	https://www.suse.com/security/cve/CVE-2017-10807/
`ubuntu`	medium	CVE-2017-10807 medium priority: Ubuntu including 1 source packages (jabberd2), 22 status rows across 22 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial, yakkety, zesty): not-affected 17, released 2, DNE 1, ignored 1, needed 1.	https://ubuntu.com/security/CVE-2017-10807

Affected software / configurations for CVE-2017-10807

Vendor	Product	Version	Raw CPE
jabberd2	jabberd2	<= 2.6.0	cpe:2.3:a:jabberd2:jabberd2::::::::

References for CVE-2017-10807

URL	Tags
http://www.debian.org/security/2017/dsa-3902
http://www.securityfocus.com/bid/99511	Third Party Advisory VDB Entry
https://bugs.debian.org/867032	Third Party Advisory
https://github.com/jabberd2/jabberd2/commit/8416ae54ecefa670534f27a31db71d048b9c7f16	Third Party Advisory
https://github.com/jabberd2/jabberd2/releases/tag/jabberd-2.6.1	Third Party Advisory

URL

CVE-2017-10807

Exploit prediction scoring system (EPSS) score for CVE-2017-10807

Common vulnerability scoring system (CVSS) metrics for CVE-2017-10807

Weakness enumeration for CVE-2017-10807

OS Trackers for CVE-2017-10807

Affected software / configurations for CVE-2017-10807

References for CVE-2017-10807