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CVE-2012-2488

23
FAUCET Score

CVE-2012-2488 describes a denial-of-service vulnerability affecting Cisco IOS XR on ASR 9000 and CRS series devices prior to version 4.2.1. A remote, unauthenticated attacker can exploit this by sending a specially crafted packet, leading to a complete outage of packet transmission. This vulnerability carries a high severity CVSS score of 7.8, indicating a critical impact on availability with low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.0CPE matchmatch criteria
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:h:cisco:asr_9000_rsp440_router:-:*:*:*:*:*:*:*
4.0.3CPE matchmatch criteria
cpe:2.3:o:cisco:ios_xr:4.0.3:*:*:*:*:*:*:*
4.0.4CPE matchmatch criteria
cpe:2.3:o:cisco:ios_xr:4.0.4:*:*:*:*:*:*:*
4.1CPE matchmatch criteria
cpe:2.3:o:cisco:ios_xr:4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.21%
Probability of exploitation in next 30 days
EPSS Percentile
80.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0221 is in the 66th percentile among its peer group of 51,455 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

secunia.com / advisories/49329
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20120530-iosxr
Vendor Advisory
securityfocus.com / bid/53728
securitytracker.com / id