How severe is CVE-2025-20145?

CVE-2025-20145 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-20145 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-20145?

CVE-2025-20145 primarily affects Cisco Ios Xr. In total, 61 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-20145?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-20145 have an EU (EUVD) identifier?

Yes. CVE-2025-20145 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7291.

When was CVE-2025-20145 published?

CVE-2025-20145 was published on 2025-03-12 and last updated on 2026-06-17.

CVE-2025-20145

CVE-2025-20145 is a medium-severity vulnerability in Cisco Ios Xr with a CVSS 3.x base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7291
Weakness: CWE-264
Affected product: Cisco Ios Xr
Published: 2025-03-12
Last modified: 2026-06-17

Description

A vulnerability in the access control list (ACL) processing in the egress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability exists because certain packets are handled incorrectly when they are received on an ingress interface on one line card and destined out of an egress interface on another line card where the egress ACL is configured. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an egress ACL on the affected device. For more information about this vulnerability, see the section of this advisory. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Frequently asked questions

What is CVE-2025-20145?: A vulnerability in the access control list (ACL) processing in the egress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability exists because certain packets are handled incorrectly when they are received on an ingress interface on one line card and destined out of an egress interface on another line card where the egress ACL is configured. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an egress ACL on the affected device. For more information about this vulnerability, see the section of this advisory. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
How severe is CVE-2025-20145?: CVE-2025-20145 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-20145 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-20145?: CVE-2025-20145 primarily affects Cisco Ios Xr. In total, 61 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-20145?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-20145 have an EU (EUVD) identifier?: Yes. CVE-2025-20145 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7291.
When was CVE-2025-20145 published?: CVE-2025-20145 was published on 2025-03-12 and last updated on 2026-06-17.

References

Affected products (61)

cpe:2.3:o:cisco:ios_xr:6.5.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.5.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.5.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.5.92:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.5.93:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.6.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.6.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.6.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.6.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.6.25:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.0.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.0.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.0.11:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.0.12:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.0.14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.0.90:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.1.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.1.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.2.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.2.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.2.12:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.3.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.3.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.3.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.3.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.3.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.3.6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.3.15:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.3.16:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.4.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.4.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.5.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.5.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.5.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.5.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.5.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.5.12:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.6.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.6.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:7.7.1:*:*:*:*:*:*:*

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